Home / 169,186,589.52-253,727,328.27-81,693,708.69

Finding the Fourth Proportional to 169,186,589.52, 253,727,328.27 and 81,693,708.69

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Solution

The fourth proportional to 169,186,589.52, 253,727,328.27 and 81,693,708.69 is: 122,515,185.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,186,589.52 : 253,727,328.27 = 81,693,708.69 : x
  2. Step 2: Convert to fraction form
    169,186,589.52/253,727,328.27 = 81,693,708.69/x
  3. Step 3: Cross multiply
    169,186,589.52x = 253,727,328.27 × 81,693,708.69
  4. Step 4: Simplify right side
    169,186,589.52x = 20,727,926,442,381,380
  5. Step 5: Solve for x
    x = 20,727,926,442,381,380/169,186,589.52
  6. Step 6: Final answer
    x = 122,515,185.76

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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.