Home / 84,581,636.60-126,872,454.90-57,707,780.60

Finding the Fourth Proportional to 84,581,636.60, 126,872,454.90 and 57,707,780.60

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Solution

The fourth proportional to 84,581,636.60, 126,872,454.90 and 57,707,780.60 is: 86,561,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,581,636.60 : 126,872,454.90 = 57,707,780.60 : x
  2. Step 2: Convert to fraction form
    84,581,636.60/126,872,454.90 = 57,707,780.60/x
  3. Step 3: Cross multiply
    84,581,636.60x = 126,872,454.90 × 57,707,780.60
  4. Step 4: Simplify right side
    84,581,636.60x = 7,321,527,791,552,595
  5. Step 5: Solve for x
    x = 7,321,527,791,552,595/84,581,636.60
  6. Step 6: Final answer
    x = 86,561,670.90

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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.