Home / 68,366,276.40-102,549,414.60-65,977,489.20

Finding the Fourth Proportional to 68,366,276.40, 102,549,414.60 and 65,977,489.20

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Solution

The fourth proportional to 68,366,276.40, 102,549,414.60 and 65,977,489.20 is: 98,966,233.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,366,276.40 : 102,549,414.60 = 65,977,489.20 : x
  2. Step 2: Convert to fraction form
    68,366,276.40/102,549,414.60 = 65,977,489.20/x
  3. Step 3: Cross multiply
    68,366,276.40x = 102,549,414.60 × 65,977,489.20
  4. Step 4: Simplify right side
    68,366,276.40x = 6,765,952,894,237,822
  5. Step 5: Solve for x
    x = 6,765,952,894,237,822/68,366,276.40
  6. Step 6: Final answer
    x = 98,966,233.80

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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.