Home / 90,554,917.39-135,803,580.19-29,129,778.14

Finding the Fourth Proportional to 90,554,917.39, 135,803,580.19 and 29,129,778.14

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Solution

The fourth proportional to 90,554,917.39, 135,803,580.19 and 29,129,778.14 is: 43,685,404.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,554,917.39 : 135,803,580.19 = 29,129,778.14 : x
  2. Step 2: Convert to fraction form
    90,554,917.39/135,803,580.19 = 29,129,778.14/x
  3. Step 3: Cross multiply
    90,554,917.39x = 135,803,580.19 × 29,129,778.14
  4. Step 4: Simplify right side
    90,554,917.39x = 3,955,928,160,800,557
  5. Step 5: Solve for x
    x = 3,955,928,160,800,557/90,554,917.39
  6. Step 6: Final answer
    x = 43,685,404.12

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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.