Home / 87,242,012,885.97-130,679,756,483.45-55,354,272,001.38

Finding the Fourth Proportional to 87,242,012,885.97, 130,679,756,483.45 and 55,354,272,001.38

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Solution

The fourth proportional to 87,242,012,885.97, 130,679,756,483.45 and 55,354,272,001.38 is: 82,915,129,375.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,242,012,885.97 : 130,679,756,483.45 = 55,354,272,001.38 : x
  2. Step 2: Convert to fraction form
    87,242,012,885.97/130,679,756,483.45 = 55,354,272,001.38/x
  3. Step 3: Cross multiply
    87,242,012,885.97x = 130,679,756,483.45 × 55,354,272,001.38
  4. Step 4: Simplify right side
    87,242,012,885.97x = 7,233,682,785,458,992,447,488
  5. Step 5: Solve for x
    x = 7,233,682,785,458,992,447,488/87,242,012,885.97
  6. Step 6: Final answer
    x = 82,915,129,375.96

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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.