Home / 117,251,999.80-175,877,999.70-99,867,974.20

Finding the Fourth Proportional to 117,251,999.80, 175,877,999.70 and 99,867,974.20

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Solution

The fourth proportional to 117,251,999.80, 175,877,999.70 and 99,867,974.20 is: 149,801,961.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,251,999.80 : 175,877,999.70 = 99,867,974.20 : x
  2. Step 2: Convert to fraction form
    117,251,999.80/175,877,999.70 = 99,867,974.20/x
  3. Step 3: Cross multiply
    117,251,999.80x = 175,877,999.70 × 99,867,974.20
  4. Step 4: Simplify right side
    117,251,999.80x = 17,564,579,536,387,208
  5. Step 5: Solve for x
    x = 17,564,579,536,387,208/117,251,999.80
  6. Step 6: Final answer
    x = 149,801,961.30

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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.