Home / 129,490,290.74-194,235,434.67-71,955,044.66

Finding the Fourth Proportional to 129,490,290.74, 194,235,434.67 and 71,955,044.66

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Solution

The fourth proportional to 129,490,290.74, 194,235,434.67 and 71,955,044.66 is: 107,932,566.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,490,290.74 : 194,235,434.67 = 71,955,044.66 : x
  2. Step 2: Convert to fraction form
    129,490,290.74/194,235,434.67 = 71,955,044.66/x
  3. Step 3: Cross multiply
    129,490,290.74x = 194,235,434.67 × 71,955,044.66
  4. Step 4: Simplify right side
    129,490,290.74x = 13,976,219,376,234,360
  5. Step 5: Solve for x
    x = 13,976,219,376,234,360/129,490,290.74
  6. Step 6: Final answer
    x = 107,932,566.19

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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.