Home / 146,711,489.60-220,067,234.40-78,687,041.60

Finding the Fourth Proportional to 146,711,489.60, 220,067,234.40 and 78,687,041.60

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Solution

The fourth proportional to 146,711,489.60, 220,067,234.40 and 78,687,041.60 is: 118,030,562.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,711,489.60 : 220,067,234.40 = 78,687,041.60 : x
  2. Step 2: Convert to fraction form
    146,711,489.60/220,067,234.40 = 78,687,041.60/x
  3. Step 3: Cross multiply
    146,711,489.60x = 220,067,234.40 × 78,687,041.60
  4. Step 4: Simplify right side
    146,711,489.60x = 17,316,439,628,029,750
  5. Step 5: Solve for x
    x = 17,316,439,628,029,750/146,711,489.60
  6. Step 6: Final answer
    x = 118,030,562.40

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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.