Home / 90,741,667.68-136,112,293.68-38,892,650.46

Finding the Fourth Proportional to 90,741,667.68, 136,112,293.68 and 38,892,650.46

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Solution

The fourth proportional to 90,741,667.68, 136,112,293.68 and 38,892,650.46 is: 58,338,886.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,741,667.68 : 136,112,293.68 = 38,892,650.46 : x
  2. Step 2: Convert to fraction form
    90,741,667.68/136,112,293.68 = 38,892,650.46/x
  3. Step 3: Cross multiply
    90,741,667.68x = 136,112,293.68 × 38,892,650.46
  4. Step 4: Simplify right side
    90,741,667.68x = 5,293,767,861,405,107
  5. Step 5: Solve for x
    x = 5,293,767,861,405,107/90,741,667.68
  6. Step 6: Final answer
    x = 58,338,886.61

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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.