Home / 98,348,003.70-147,522,005.55-74,460,131.70

Finding the Fourth Proportional to 98,348,003.70, 147,522,005.55 and 74,460,131.70

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Solution

The fourth proportional to 98,348,003.70, 147,522,005.55 and 74,460,131.70 is: 111,690,197.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,348,003.70 : 147,522,005.55 = 74,460,131.70 : x
  2. Step 2: Convert to fraction form
    98,348,003.70/147,522,005.55 = 74,460,131.70/x
  3. Step 3: Cross multiply
    98,348,003.70x = 147,522,005.55 × 74,460,131.70
  4. Step 4: Simplify right side
    98,348,003.70x = 10,984,507,961,901,132
  5. Step 5: Solve for x
    x = 10,984,507,961,901,132/98,348,003.70
  6. Step 6: Final answer
    x = 111,690,197.55

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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.