Home / 152,439,775.20-228,659,662.80-109,711,918.80

Finding the Fourth Proportional to 152,439,775.20, 228,659,662.80 and 109,711,918.80

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Solution

The fourth proportional to 152,439,775.20, 228,659,662.80 and 109,711,918.80 is: 164,567,878.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,439,775.20 : 228,659,662.80 = 109,711,918.80 : x
  2. Step 2: Convert to fraction form
    152,439,775.20/228,659,662.80 = 109,711,918.80/x
  3. Step 3: Cross multiply
    152,439,775.20x = 228,659,662.80 × 109,711,918.80
  4. Step 4: Simplify right side
    152,439,775.20x = 25,086,690,357,948,980
  5. Step 5: Solve for x
    x = 25,086,690,357,948,980/152,439,775.20
  6. Step 6: Final answer
    x = 164,567,878.20

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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.