Home / 74,535,197.60-111,808,045.20-42,202,589.60

Finding the Fourth Proportional to 74,535,197.60, 111,808,045.20 and 42,202,589.60

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Solution

The fourth proportional to 74,535,197.60, 111,808,045.20 and 42,202,589.60 is: 63,306,856.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,535,197.60 : 111,808,045.20 = 42,202,589.60 : x
  2. Step 2: Convert to fraction form
    74,535,197.60/111,808,045.20 = 42,202,589.60/x
  3. Step 3: Cross multiply
    74,535,197.60x = 111,808,045.20 × 42,202,589.60
  4. Step 4: Simplify right side
    74,535,197.60x = 4,718,589,045,553,850
  5. Step 5: Solve for x
    x = 4,718,589,045,553,850/74,535,197.60
  6. Step 6: Final answer
    x = 63,306,856.32

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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.