Home / 132,227,600.40-198,341,400.60-71,761,424.40

Finding the Fourth Proportional to 132,227,600.40, 198,341,400.60 and 71,761,424.40

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Solution

The fourth proportional to 132,227,600.40, 198,341,400.60 and 71,761,424.40 is: 107,642,136.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,227,600.40 : 198,341,400.60 = 71,761,424.40 : x
  2. Step 2: Convert to fraction form
    132,227,600.40/198,341,400.60 = 71,761,424.40/x
  3. Step 3: Cross multiply
    132,227,600.40x = 198,341,400.60 × 71,761,424.40
  4. Step 4: Simplify right side
    132,227,600.40x = 14,233,261,424,547,016
  5. Step 5: Solve for x
    x = 14,233,261,424,547,016/132,227,600.40
  6. Step 6: Final answer
    x = 107,642,136.60

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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.