Home / 74,535,198.60-111,808,046.70-42,202,590.60

Finding the Fourth Proportional to 74,535,198.60, 111,808,046.70 and 42,202,590.60

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Solution

The fourth proportional to 74,535,198.60, 111,808,046.70 and 42,202,590.60 is: 63,306,857.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,535,198.60 : 111,808,046.70 = 42,202,590.60 : x
  2. Step 2: Convert to fraction form
    74,535,198.60/111,808,046.70 = 42,202,590.60/x
  3. Step 3: Cross multiply
    74,535,198.60x = 111,808,046.70 × 42,202,590.60
  4. Step 4: Simplify right side
    74,535,198.60x = 4,718,589,220,665,781
  5. Step 5: Solve for x
    x = 4,718,589,220,665,781/74,535,198.60
  6. Step 6: Final answer
    x = 63,306,857.82

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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.