Home / 82,728,219.60-124,092,329.40-54,986,999.40

Finding the Fourth Proportional to 82,728,219.60, 124,092,329.40 and 54,986,999.40

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Solution

The fourth proportional to 82,728,219.60, 124,092,329.40 and 54,986,999.40 is: 82,480,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,728,219.60 : 124,092,329.40 = 54,986,999.40 : x
  2. Step 2: Convert to fraction form
    82,728,219.60/124,092,329.40 = 54,986,999.40/x
  3. Step 3: Cross multiply
    82,728,219.60x = 124,092,329.40 × 54,986,999.40
  4. Step 4: Simplify right side
    82,728,219.60x = 6,823,464,842,262,403
  5. Step 5: Solve for x
    x = 6,823,464,842,262,403/82,728,219.60
  6. Step 6: Final answer
    x = 82,480,499.10

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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.