Home / 146,711,600.10-220,067,400.15-78,687,152.10

Finding the Fourth Proportional to 146,711,600.10, 220,067,400.15 and 78,687,152.10

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Solution

The fourth proportional to 146,711,600.10, 220,067,400.15 and 78,687,152.10 is: 118,030,728.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,711,600.10 : 220,067,400.15 = 78,687,152.10 : x
  2. Step 2: Convert to fraction form
    146,711,600.10/220,067,400.15 = 78,687,152.10/x
  3. Step 3: Cross multiply
    146,711,600.10x = 220,067,400.15 × 78,687,152.10
  4. Step 4: Simplify right side
    146,711,600.10x = 17,316,476,987,854,612
  5. Step 5: Solve for x
    x = 17,316,476,987,854,612/146,711,600.10
  6. Step 6: Final answer
    x = 118,030,728.15

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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.