Home / 132,406,738.38-198,732,828.02-66,873,897.35

Finding the Fourth Proportional to 132,406,738.38, 198,732,828.02 and 66,873,897.35

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Solution

The fourth proportional to 132,406,738.38, 198,732,828.02 and 66,873,897.35 is: 100,372,827.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,406,738.38 : 198,732,828.02 = 66,873,897.35 : x
  2. Step 2: Convert to fraction form
    132,406,738.38/198,732,828.02 = 66,873,897.35/x
  3. Step 3: Cross multiply
    132,406,738.38x = 198,732,828.02 × 66,873,897.35
  4. Step 4: Simplify right side
    132,406,738.38x = 13,290,038,741,247,146
  5. Step 5: Solve for x
    x = 13,290,038,741,247,146/132,406,738.38
  6. Step 6: Final answer
    x = 100,372,827.73

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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.