Home / 51,519,231.60-77,278,847.40-38,670,169.20

Finding the Fourth Proportional to 51,519,231.60, 77,278,847.40 and 38,670,169.20

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Solution

The fourth proportional to 51,519,231.60, 77,278,847.40 and 38,670,169.20 is: 58,005,253.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,519,231.60 : 77,278,847.40 = 38,670,169.20 : x
  2. Step 2: Convert to fraction form
    51,519,231.60/77,278,847.40 = 38,670,169.20/x
  3. Step 3: Cross multiply
    51,519,231.60x = 77,278,847.40 × 38,670,169.20
  4. Step 4: Simplify right side
    51,519,231.60x = 2,988,386,104,538,980.50
  5. Step 5: Solve for x
    x = 2,988,386,104,538,980.50/51,519,231.60
  6. Step 6: Final answer
    x = 58,005,253.80

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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.