Home / 157,454,438.60-236,181,657.90-99,987,951.80

Finding the Fourth Proportional to 157,454,438.60, 236,181,657.90 and 99,987,951.80

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Solution

The fourth proportional to 157,454,438.60, 236,181,657.90 and 99,987,951.80 is: 149,981,927.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,454,438.60 : 236,181,657.90 = 99,987,951.80 : x
  2. Step 2: Convert to fraction form
    157,454,438.60/236,181,657.90 = 99,987,951.80/x
  3. Step 3: Cross multiply
    157,454,438.60x = 236,181,657.90 × 99,987,951.80
  4. Step 4: Simplify right side
    157,454,438.60x = 23,615,320,226,149,288
  5. Step 5: Solve for x
    x = 23,615,320,226,149,288/157,454,438.60
  6. Step 6: Final answer
    x = 149,981,927.70

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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.