Home / 102,498,452,803.60-153,747,679,205.40-80,483,389,968.40

Finding the Fourth Proportional to 102,498,452,803.60, 153,747,679,205.40 and 80,483,389,968.40

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Solution

The fourth proportional to 102,498,452,803.60, 153,747,679,205.40 and 80,483,389,968.40 is: 120,725,084,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,498,452,803.60 : 153,747,679,205.40 = 80,483,389,968.40 : x
  2. Step 2: Convert to fraction form
    102,498,452,803.60/153,747,679,205.40 = 80,483,389,968.40/x
  3. Step 3: Cross multiply
    102,498,452,803.60x = 153,747,679,205.40 × 80,483,389,968.40
  4. Step 4: Simplify right side
    102,498,452,803.60x = 12,374,134,422,224,670,556,160
  5. Step 5: Solve for x
    x = 12,374,134,422,224,670,556,160/102,498,452,803.60
  6. Step 6: Final answer
    x = 120,725,084,952.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.