Home / 99,026,956.20-148,256,999.10-87,689,548.20

Finding the Fourth Proportional to 99,026,956.20, 148,256,999.10 and 87,689,548.20

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Solution

The fourth proportional to 99,026,956.20, 148,256,999.10 and 87,689,548.20 is: 131,283,337.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,026,956.20 : 148,256,999.10 = 87,689,548.20 : x
  2. Step 2: Convert to fraction form
    99,026,956.20/148,256,999.10 = 87,689,548.20/x
  3. Step 3: Cross multiply
    99,026,956.20x = 148,256,999.10 × 87,689,548.20
  4. Step 4: Simplify right side
    99,026,956.20x = 13,000,589,268,566,806
  5. Step 5: Solve for x
    x = 13,000,589,268,566,806/99,026,956.20
  6. Step 6: Final answer
    x = 131,283,337.06

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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.