Home / 65,639,905.20-98,318,140.20-54,302,497.20

Finding the Fourth Proportional to 65,639,905.20, 98,318,140.20 and 54,302,497.20

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Solution

The fourth proportional to 65,639,905.20, 98,318,140.20 and 54,302,497.20 is: 81,336,505.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,639,905.20 : 98,318,140.20 = 54,302,497.20 : x
  2. Step 2: Convert to fraction form
    65,639,905.20/98,318,140.20 = 54,302,497.20/x
  3. Step 3: Cross multiply
    65,639,905.20x = 98,318,140.20 × 54,302,497.20
  4. Step 4: Simplify right side
    65,639,905.20x = 5,338,920,532,919,708
  5. Step 5: Solve for x
    x = 5,338,920,532,919,708/65,639,905.20
  6. Step 6: Final answer
    x = 81,336,505.84

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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.