Home / 124,918,648.76-172,393,123.40-69,164,070.39

Finding the Fourth Proportional to 124,918,648.76, 172,393,123.40 and 69,164,070.39

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Solution

The fourth proportional to 124,918,648.76, 172,393,123.40 and 69,164,070.39 is: 95,449,400.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,918,648.76 : 172,393,123.40 = 69,164,070.39 : x
  2. Step 2: Convert to fraction form
    124,918,648.76/172,393,123.40 = 69,164,070.39/x
  3. Step 3: Cross multiply
    124,918,648.76x = 172,393,123.40 × 69,164,070.39
  4. Step 4: Simplify right side
    124,918,648.76x = 11,923,410,121,243,736
  5. Step 5: Solve for x
    x = 11,923,410,121,243,736/124,918,648.76
  6. Step 6: Final answer
    x = 95,449,400.39

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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.