Home / 127,808,214.30-191,712,321.45-106,267,139.10

Finding the Fourth Proportional to 127,808,214.30, 191,712,321.45 and 106,267,139.10

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Solution

The fourth proportional to 127,808,214.30, 191,712,321.45 and 106,267,139.10 is: 159,400,708.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,808,214.30 : 191,712,321.45 = 106,267,139.10 : x
  2. Step 2: Convert to fraction form
    127,808,214.30/191,712,321.45 = 106,267,139.10/x
  3. Step 3: Cross multiply
    127,808,214.30x = 191,712,321.45 × 106,267,139.10
  4. Step 4: Simplify right side
    127,808,214.30x = 20,372,719,930,711,060
  5. Step 5: Solve for x
    x = 20,372,719,930,711,060/127,808,214.30
  6. Step 6: Final answer
    x = 159,400,708.65

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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.