Home / 90,688,493.60-136,050,455.10-36,091,788.20

Finding the Fourth Proportional to 90,688,493.60, 136,050,455.10 and 36,091,788.20

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Solution

The fourth proportional to 90,688,493.60, 136,050,455.10 and 36,091,788.20 is: 54,144,732.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,688,493.60 : 136,050,455.10 = 36,091,788.20 : x
  2. Step 2: Convert to fraction form
    90,688,493.60/136,050,455.10 = 36,091,788.20/x
  3. Step 3: Cross multiply
    90,688,493.60x = 136,050,455.10 × 36,091,788.20
  4. Step 4: Simplify right side
    90,688,493.60x = 4,910,304,209,982,810
  5. Step 5: Solve for x
    x = 4,910,304,209,982,810/90,688,493.60
  6. Step 6: Final answer
    x = 54,144,732.31

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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.