Home / 99,526,551.70-149,289,827.55-82,520,439.70

Finding the Fourth Proportional to 99,526,551.70, 149,289,827.55 and 82,520,439.70

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Solution

The fourth proportional to 99,526,551.70, 149,289,827.55 and 82,520,439.70 is: 123,780,659.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,526,551.70 : 149,289,827.55 = 82,520,439.70 : x
  2. Step 2: Convert to fraction form
    99,526,551.70/149,289,827.55 = 82,520,439.70/x
  3. Step 3: Cross multiply
    99,526,551.70x = 149,289,827.55 × 82,520,439.70
  4. Step 4: Simplify right side
    99,526,551.70x = 12,319,462,212,163,176
  5. Step 5: Solve for x
    x = 12,319,462,212,163,176/99,526,551.70
  6. Step 6: Final answer
    x = 123,780,659.55

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Similar ratio
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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.