Home / 67,008,869.40-100,513,304.10-21,570,663.90

Finding the Fourth Proportional to 67,008,869.40, 100,513,304.10 and 21,570,663.90

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Solution

The fourth proportional to 67,008,869.40, 100,513,304.10 and 21,570,663.90 is: 32,355,995.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,008,869.40 : 100,513,304.10 = 21,570,663.90 : x
  2. Step 2: Convert to fraction form
    67,008,869.40/100,513,304.10 = 21,570,663.90/x
  3. Step 3: Cross multiply
    67,008,869.40x = 100,513,304.10 × 21,570,663.90
  4. Step 4: Simplify right side
    67,008,869.40x = 2,168,138,700,219,591.75
  5. Step 5: Solve for x
    x = 2,168,138,700,219,591.75/67,008,869.40
  6. Step 6: Final answer
    x = 32,355,995.85

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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.