Home / 90,336,469.59-135,428,515.38-39,179,958.93

Finding the Fourth Proportional to 90,336,469.59, 135,428,515.38 and 39,179,958.93

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Solution

The fourth proportional to 90,336,469.59, 135,428,515.38 and 39,179,958.93 is: 58,736,894.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,336,469.59 : 135,428,515.38 = 39,179,958.93 : x
  2. Step 2: Convert to fraction form
    90,336,469.59/135,428,515.38 = 39,179,958.93/x
  3. Step 3: Cross multiply
    90,336,469.59x = 135,428,515.38 × 39,179,958.93
  4. Step 4: Simplify right side
    90,336,469.59x = 5,306,083,670,539,273
  5. Step 5: Solve for x
    x = 5,306,083,670,539,273/90,336,469.59
  6. Step 6: Final answer
    x = 58,736,894.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.