Home / 99,657,304.20-149,485,956.30-90,091,366.20

Finding the Fourth Proportional to 99,657,304.20, 149,485,956.30 and 90,091,366.20

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Solution

The fourth proportional to 99,657,304.20, 149,485,956.30 and 90,091,366.20 is: 135,137,049.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,657,304.20 : 149,485,956.30 = 90,091,366.20 : x
  2. Step 2: Convert to fraction form
    99,657,304.20/149,485,956.30 = 90,091,366.20/x
  3. Step 3: Cross multiply
    99,657,304.20x = 149,485,956.30 × 90,091,366.20
  4. Step 4: Simplify right side
    99,657,304.20x = 13,467,394,030,780,498
  5. Step 5: Solve for x
    x = 13,467,394,030,780,498/99,657,304.20
  6. Step 6: Final answer
    x = 135,137,049.30

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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.