Home / 81,867,515.40-122,801,273.10-60,344,154.90

Finding the Fourth Proportional to 81,867,515.40, 122,801,273.10 and 60,344,154.90

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Solution

The fourth proportional to 81,867,515.40, 122,801,273.10 and 60,344,154.90 is: 90,516,232.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,867,515.40 : 122,801,273.10 = 60,344,154.90 : x
  2. Step 2: Convert to fraction form
    81,867,515.40/122,801,273.10 = 60,344,154.90/x
  3. Step 3: Cross multiply
    81,867,515.40x = 122,801,273.10 × 60,344,154.90
  4. Step 4: Simplify right side
    81,867,515.40x = 7,410,339,045,863,603
  5. Step 5: Solve for x
    x = 7,410,339,045,863,603/81,867,515.40
  6. Step 6: Final answer
    x = 90,516,232.35

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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.