Home / 57,091,752.52-78,787,374.30-30,986,583.28

Finding the Fourth Proportional to 57,091,752.52, 78,787,374.30 and 30,986,583.28

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Solution

The fourth proportional to 57,091,752.52, 78,787,374.30 and 30,986,583.28 is: 42,761,895.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,091,752.52 : 78,787,374.30 = 30,986,583.28 : x
  2. Step 2: Convert to fraction form
    57,091,752.52/78,787,374.30 = 30,986,583.28/x
  3. Step 3: Cross multiply
    57,091,752.52x = 78,787,374.30 × 30,986,583.28
  4. Step 4: Simplify right side
    57,091,752.52x = 2,441,351,535,374,165.50
  5. Step 5: Solve for x
    x = 2,441,351,535,374,165.50/57,091,752.52
  6. Step 6: Final answer
    x = 42,761,895.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.