Home / 84,320,883,753.88-126,476,670,020.78-61,654,465,451.08

Finding the Fourth Proportional to 84,320,883,753.88, 126,476,670,020.78 and 61,654,465,451.08

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Solution

The fourth proportional to 84,320,883,753.88, 126,476,670,020.78 and 61,654,465,451.08 is: 92,478,294,047.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,320,883,753.88 : 126,476,670,020.78 = 61,654,465,451.08 : x
  2. Step 2: Convert to fraction form
    84,320,883,753.88/126,476,670,020.78 = 61,654,465,451.08/x
  3. Step 3: Cross multiply
    84,320,883,753.88x = 126,476,670,020.78 × 61,654,465,451.08
  4. Step 4: Simplify right side
    84,320,883,753.88x = 7,797,851,482,163,825,868,800
  5. Step 5: Solve for x
    x = 7,797,851,482,163,825,868,800/84,320,883,753.88
  6. Step 6: Final answer
    x = 92,478,294,047.83

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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.