Home / 124,117,753.12-171,283,654.54-68,365,152.60

Finding the Fourth Proportional to 124,117,753.12, 171,283,654.54 and 68,365,152.60

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Solution

The fourth proportional to 124,117,753.12, 171,283,654.54 and 68,365,152.60 is: 94,344,546.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,117,753.12 : 171,283,654.54 = 68,365,152.60 : x
  2. Step 2: Convert to fraction form
    124,117,753.12/171,283,654.54 = 68,365,152.60/x
  3. Step 3: Cross multiply
    124,117,753.12x = 171,283,654.54 × 68,365,152.60
  4. Step 4: Simplify right side
    124,117,753.12x = 11,709,833,180,512,782
  5. Step 5: Solve for x
    x = 11,709,833,180,512,782/124,117,753.12
  6. Step 6: Final answer
    x = 94,344,546.90

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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.