Home / 108,601,415.40-162,902,123.10-31,932,193.80

Finding the Fourth Proportional to 108,601,415.40, 162,902,123.10 and 31,932,193.80

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Solution

The fourth proportional to 108,601,415.40, 162,902,123.10 and 31,932,193.80 is: 47,898,290.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,601,415.40 : 162,902,123.10 = 31,932,193.80 : x
  2. Step 2: Convert to fraction form
    108,601,415.40/162,902,123.10 = 31,932,193.80/x
  3. Step 3: Cross multiply
    108,601,415.40x = 162,902,123.10 × 31,932,193.80
  4. Step 4: Simplify right side
    108,601,415.40x = 5,201,822,165,260,657
  5. Step 5: Solve for x
    x = 5,201,822,165,260,657/108,601,415.40
  6. Step 6: Final answer
    x = 47,898,290.70

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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.