Home / 103,784,204.30-155,676,306.45-65,614,930.70

Finding the Fourth Proportional to 103,784,204.30, 155,676,306.45 and 65,614,930.70

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Solution

The fourth proportional to 103,784,204.30, 155,676,306.45 and 65,614,930.70 is: 98,422,396.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,784,204.30 : 155,676,306.45 = 65,614,930.70 : x
  2. Step 2: Convert to fraction form
    103,784,204.30/155,676,306.45 = 65,614,930.70/x
  3. Step 3: Cross multiply
    103,784,204.30x = 155,676,306.45 × 65,614,930.70
  4. Step 4: Simplify right side
    103,784,204.30x = 10,214,690,059,348,712
  5. Step 5: Solve for x
    x = 10,214,690,059,348,712/103,784,204.30
  6. Step 6: Final answer
    x = 98,422,396.05

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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.