Home / 127,712,082.60-191,593,007.10-51,022,060.20

Finding the Fourth Proportional to 127,712,082.60, 191,593,007.10 and 51,022,060.20

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Solution

The fourth proportional to 127,712,082.60, 191,593,007.10 and 51,022,060.20 is: 76,543,031.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,712,082.60 : 191,593,007.10 = 51,022,060.20 : x
  2. Step 2: Convert to fraction form
    127,712,082.60/191,593,007.10 = 51,022,060.20/x
  3. Step 3: Cross multiply
    127,712,082.60x = 191,593,007.10 × 51,022,060.20
  4. Step 4: Simplify right side
    127,712,082.60x = 9,775,469,942,155,228
  5. Step 5: Solve for x
    x = 9,775,469,942,155,228/127,712,082.60
  6. Step 6: Final answer
    x = 76,543,031.35

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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.