Home / 129,945,420.07-194,916,293.38-31,577,849.76

Finding the Fourth Proportional to 129,945,420.07, 194,916,293.38 and 31,577,849.76

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Solution

The fourth proportional to 129,945,420.07, 194,916,293.38 and 31,577,849.76 is: 47,366,328.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,945,420.07 : 194,916,293.38 = 31,577,849.76 : x
  2. Step 2: Convert to fraction form
    129,945,420.07/194,916,293.38 = 31,577,849.76/x
  3. Step 3: Cross multiply
    129,945,420.07x = 194,916,293.38 × 31,577,849.76
  4. Step 4: Simplify right side
    129,945,420.07x = 6,155,037,428,129,723
  5. Step 5: Solve for x
    x = 6,155,037,428,129,723/129,945,420.07
  6. Step 6: Final answer
    x = 47,366,328.30

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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.