Home / 97,128,082.10-145,692,123.15-48,755,141.30

Finding the Fourth Proportional to 97,128,082.10, 145,692,123.15 and 48,755,141.30

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Solution

The fourth proportional to 97,128,082.10, 145,692,123.15 and 48,755,141.30 is: 73,132,711.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,128,082.10 : 145,692,123.15 = 48,755,141.30 : x
  2. Step 2: Convert to fraction form
    97,128,082.10/145,692,123.15 = 48,755,141.30/x
  3. Step 3: Cross multiply
    97,128,082.10x = 145,692,123.15 × 48,755,141.30
  4. Step 4: Simplify right side
    97,128,082.10x = 7,103,240,050,475,251
  5. Step 5: Solve for x
    x = 7,103,240,050,475,251/97,128,082.10
  6. Step 6: Final answer
    x = 73,132,711.95

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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.