Home / 71,754,444.20-107,665,259.10-31,359,679.40

Finding the Fourth Proportional to 71,754,444.20, 107,665,259.10 and 31,359,679.40

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Solution

The fourth proportional to 71,754,444.20, 107,665,259.10 and 31,359,679.40 is: 47,054,200.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,754,444.20 : 107,665,259.10 = 31,359,679.40 : x
  2. Step 2: Convert to fraction form
    71,754,444.20/107,665,259.10 = 31,359,679.40/x
  3. Step 3: Cross multiply
    71,754,444.20x = 107,665,259.10 × 31,359,679.40
  4. Step 4: Simplify right side
    71,754,444.20x = 3,376,348,007,893,932
  5. Step 5: Solve for x
    x = 3,376,348,007,893,932/71,754,444.20
  6. Step 6: Final answer
    x = 47,054,200.55

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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.