Home / 83,412,097.20-125,118,145.80-57,584,064.60

Finding the Fourth Proportional to 83,412,097.20, 125,118,145.80 and 57,584,064.60

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Solution

The fourth proportional to 83,412,097.20, 125,118,145.80 and 57,584,064.60 is: 86,376,096.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,412,097.20 : 125,118,145.80 = 57,584,064.60 : x
  2. Step 2: Convert to fraction form
    83,412,097.20/125,118,145.80 = 57,584,064.60/x
  3. Step 3: Cross multiply
    83,412,097.20x = 125,118,145.80 × 57,584,064.60
  4. Step 4: Simplify right side
    83,412,097.20x = 7,204,811,390,379,419
  5. Step 5: Solve for x
    x = 7,204,811,390,379,419/83,412,097.20
  6. Step 6: Final answer
    x = 86,376,096.90

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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.