Home / 104,233,910.40-156,299,923.08-42,806,649.96

Finding the Fourth Proportional to 104,233,910.40, 156,299,923.08 and 42,806,649.96

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Solution

The fourth proportional to 104,233,910.40, 156,299,923.08 and 42,806,649.96 is: 64,189,053.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,233,910.40 : 156,299,923.08 = 42,806,649.96 : x
  2. Step 2: Convert to fraction form
    104,233,910.40/156,299,923.08 = 42,806,649.96/x
  3. Step 3: Cross multiply
    104,233,910.40x = 156,299,923.08 × 42,806,649.96
  4. Step 4: Simplify right side
    104,233,910.40x = 6,690,676,096,060,486
  5. Step 5: Solve for x
    x = 6,690,676,096,060,486/104,233,910.40
  6. Step 6: Final answer
    x = 64,189,053.93

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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.