Home / 207,931,757.10-311,897,635.65-54,593,313.90

Finding the Fourth Proportional to 207,931,757.10, 311,897,635.65 and 54,593,313.90

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Solution

The fourth proportional to 207,931,757.10, 311,897,635.65 and 54,593,313.90 is: 81,889,970.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,931,757.10 : 311,897,635.65 = 54,593,313.90 : x
  2. Step 2: Convert to fraction form
    207,931,757.10/311,897,635.65 = 54,593,313.90/x
  3. Step 3: Cross multiply
    207,931,757.10x = 311,897,635.65 × 54,593,313.90
  4. Step 4: Simplify right side
    207,931,757.10x = 17,027,525,527,708,278
  5. Step 5: Solve for x
    x = 17,027,525,527,708,278/207,931,757.10
  6. Step 6: Final answer
    x = 81,889,970.85

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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.