Home / 67,414,251.60-101,121,377.40-66,742,405.20

Finding the Fourth Proportional to 67,414,251.60, 101,121,377.40 and 66,742,405.20

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Solution

The fourth proportional to 67,414,251.60, 101,121,377.40 and 66,742,405.20 is: 100,113,607.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,414,251.60 : 101,121,377.40 = 66,742,405.20 : x
  2. Step 2: Convert to fraction form
    67,414,251.60/101,121,377.40 = 66,742,405.20/x
  3. Step 3: Cross multiply
    67,414,251.60x = 101,121,377.40 × 66,742,405.20
  4. Step 4: Simplify right side
    67,414,251.60x = 6,749,083,944,812,923
  5. Step 5: Solve for x
    x = 6,749,083,944,812,923/67,414,251.60
  6. Step 6: Final answer
    x = 100,113,607.80

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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.