Home / 85,042,665.25-117,395,154.30-57,181,524.55

Finding the Fourth Proportional to 85,042,665.25, 117,395,154.30 and 57,181,524.55

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Solution

The fourth proportional to 85,042,665.25, 117,395,154.30 and 57,181,524.55 is: 78,934,895.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,042,665.25 : 117,395,154.30 = 57,181,524.55 : x
  2. Step 2: Convert to fraction form
    85,042,665.25/117,395,154.30 = 57,181,524.55/x
  3. Step 3: Cross multiply
    85,042,665.25x = 117,395,154.30 × 57,181,524.55
  4. Step 4: Simplify right side
    85,042,665.25x = 6,712,833,897,656,488
  5. Step 5: Solve for x
    x = 6,712,833,897,656,488/85,042,665.25
  6. Step 6: Final answer
    x = 78,934,895.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.