Home / 89,023,425.60-133,535,138.40-66,065,174.40

Finding the Fourth Proportional to 89,023,425.60, 133,535,138.40 and 66,065,174.40

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Solution

The fourth proportional to 89,023,425.60, 133,535,138.40 and 66,065,174.40 is: 99,097,761.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,023,425.60 : 133,535,138.40 = 66,065,174.40 : x
  2. Step 2: Convert to fraction form
    89,023,425.60/133,535,138.40 = 66,065,174.40/x
  3. Step 3: Cross multiply
    89,023,425.60x = 133,535,138.40 × 66,065,174.40
  4. Step 4: Simplify right side
    89,023,425.60x = 8,822,022,206,924,137
  5. Step 5: Solve for x
    x = 8,822,022,206,924,137/89,023,425.60
  6. Step 6: Final answer
    x = 99,097,761.60

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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.