Home / 65,666,627.39-90,619,965.66-35,897,404.92

Finding the Fourth Proportional to 65,666,627.39, 90,619,965.66 and 35,897,404.92

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Solution

The fourth proportional to 65,666,627.39, 90,619,965.66 and 35,897,404.92 is: 49,538,429.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,666,627.39 : 90,619,965.66 = 35,897,404.92 : x
  2. Step 2: Convert to fraction form
    65,666,627.39/90,619,965.66 = 35,897,404.92/x
  3. Step 3: Cross multiply
    65,666,627.39x = 90,619,965.66 × 35,897,404.92
  4. Step 4: Simplify right side
    65,666,627.39x = 3,253,021,601,133,515
  5. Step 5: Solve for x
    x = 3,253,021,601,133,515/65,666,627.39
  6. Step 6: Final answer
    x = 49,538,429.65

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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.