Home / 122,517,999.30-183,553,050.15-99,675,221.70

Finding the Fourth Proportional to 122,517,999.30, 183,553,050.15 and 99,675,221.70

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Solution

The fourth proportional to 122,517,999.30, 183,553,050.15 and 99,675,221.70 is: 149,330,637.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,517,999.30 : 183,553,050.15 = 99,675,221.70 : x
  2. Step 2: Convert to fraction form
    122,517,999.30/183,553,050.15 = 99,675,221.70/x
  3. Step 3: Cross multiply
    122,517,999.30x = 183,553,050.15 × 99,675,221.70
  4. Step 4: Simplify right side
    122,517,999.30x = 18,295,690,967,412,468
  5. Step 5: Solve for x
    x = 18,295,690,967,412,468/122,517,999.30
  6. Step 6: Final answer
    x = 149,330,637.72

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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.