Home / 259,727,854.78-358,424,788.95-140,650,654.69

Finding the Fourth Proportional to 259,727,854.78, 358,424,788.95 and 140,650,654.69

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Solution

The fourth proportional to 259,727,854.78, 358,424,788.95 and 140,650,654.69 is: 194,098,092.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,727,854.78 : 358,424,788.95 = 140,650,654.69 : x
  2. Step 2: Convert to fraction form
    259,727,854.78/358,424,788.95 = 140,650,654.69/x
  3. Step 3: Cross multiply
    259,727,854.78x = 358,424,788.95 × 140,650,654.69
  4. Step 4: Simplify right side
    259,727,854.78x = 50,412,681,220,447,200
  5. Step 5: Solve for x
    x = 50,412,681,220,447,200/259,727,854.78
  6. Step 6: Final answer
    x = 194,098,092.65

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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.