Home / 67,415,877.60-101,123,816.40-66,744,031.20

Finding the Fourth Proportional to 67,415,877.60, 101,123,816.40 and 66,744,031.20

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Solution

The fourth proportional to 67,415,877.60, 101,123,816.40 and 66,744,031.20 is: 100,116,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,415,877.60 : 101,123,816.40 = 66,744,031.20 : x
  2. Step 2: Convert to fraction form
    67,415,877.60/101,123,816.40 = 66,744,031.20/x
  3. Step 3: Cross multiply
    67,415,877.60x = 101,123,816.40 × 66,744,031.20
  4. Step 4: Simplify right side
    67,415,877.60x = 6,749,411,156,864,672
  5. Step 5: Solve for x
    x = 6,749,411,156,864,672/67,415,877.60
  6. Step 6: Final answer
    x = 100,116,046.80

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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.