Home / 173,727,920.40-239,690,770.92-100,362,293.52

Finding the Fourth Proportional to 173,727,920.40, 239,690,770.92 and 100,362,293.52

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Solution

The fourth proportional to 173,727,920.40, 239,690,770.92 and 100,362,293.52 is: 138,468,908.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,727,920.40 : 239,690,770.92 = 100,362,293.52 : x
  2. Step 2: Convert to fraction form
    173,727,920.40/239,690,770.92 = 100,362,293.52/x
  3. Step 3: Cross multiply
    173,727,920.40x = 239,690,770.92 × 100,362,293.52
  4. Step 4: Simplify right side
    173,727,920.40x = 24,055,915,505,108,120
  5. Step 5: Solve for x
    x = 24,055,915,505,108,120/173,727,920.40
  6. Step 6: Final answer
    x = 138,468,908.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.