Home / 90,999,744.30-136,499,616.45-36,420,753.60

Finding the Fourth Proportional to 90,999,744.30, 136,499,616.45 and 36,420,753.60

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Solution

The fourth proportional to 90,999,744.30, 136,499,616.45 and 36,420,753.60 is: 54,631,130.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,999,744.30 : 136,499,616.45 = 36,420,753.60 : x
  2. Step 2: Convert to fraction form
    90,999,744.30/136,499,616.45 = 36,420,753.60/x
  3. Step 3: Cross multiply
    90,999,744.30x = 136,499,616.45 × 36,420,753.60
  4. Step 4: Simplify right side
    90,999,744.30x = 4,971,418,897,219,956
  5. Step 5: Solve for x
    x = 4,971,418,897,219,956/90,999,744.30
  6. Step 6: Final answer
    x = 54,631,130.40

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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.