Home / 99,583,399-137,427,520.62-55,529,967.88

Finding the Fourth Proportional to 99,583,399, 137,427,520.62 and 55,529,967.88

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Solution

The fourth proportional to 99,583,399, 137,427,520.62 and 55,529,967.88 is: 76,632,710.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,583,399 : 137,427,520.62 = 55,529,967.88 : x
  2. Step 2: Convert to fraction form
    99,583,399/137,427,520.62 = 55,529,967.88/x
  3. Step 3: Cross multiply
    99,583,399x = 137,427,520.62 × 55,529,967.88
  4. Step 4: Simplify right side
    99,583,399x = 7,631,345,805,856,638
  5. Step 5: Solve for x
    x = 7,631,345,805,856,638/99,583,399
  6. Step 6: Final answer
    x = 76,632,710.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.