Home / 81,730,836.60-122,535,237.60-49,375,921.20

Finding the Fourth Proportional to 81,730,836.60, 122,535,237.60 and 49,375,921.20

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Solution

The fourth proportional to 81,730,836.60, 122,535,237.60 and 49,375,921.20 is: 74,027,019.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,730,836.60 : 122,535,237.60 = 49,375,921.20 : x
  2. Step 2: Convert to fraction form
    81,730,836.60/122,535,237.60 = 49,375,921.20/x
  3. Step 3: Cross multiply
    81,730,836.60x = 122,535,237.60 × 49,375,921.20
  4. Step 4: Simplify right side
    81,730,836.60x = 6,050,290,235,960,877
  5. Step 5: Solve for x
    x = 6,050,290,235,960,877/81,730,836.60
  6. Step 6: Final answer
    x = 74,027,019.51

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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.