Home / 90,153,314.80-135,229,972.20-21,996,006.55

Finding the Fourth Proportional to 90,153,314.80, 135,229,972.20 and 21,996,006.55

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Solution

The fourth proportional to 90,153,314.80, 135,229,972.20 and 21,996,006.55 is: 32,994,009.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,153,314.80 : 135,229,972.20 = 21,996,006.55 : x
  2. Step 2: Convert to fraction form
    90,153,314.80/135,229,972.20 = 21,996,006.55/x
  3. Step 3: Cross multiply
    90,153,314.80x = 135,229,972.20 × 21,996,006.55
  4. Step 4: Simplify right side
    90,153,314.80x = 2,974,519,354,267,517.50
  5. Step 5: Solve for x
    x = 2,974,519,354,267,517.50/90,153,314.80
  6. Step 6: Final answer
    x = 32,994,009.83

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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.