Home / 89,912,128.32-124,078,735.62-48,659,020.74

Finding the Fourth Proportional to 89,912,128.32, 124,078,735.62 and 48,659,020.74

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Solution

The fourth proportional to 89,912,128.32, 124,078,735.62 and 48,659,020.74 is: 67,149,447.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,912,128.32 : 124,078,735.62 = 48,659,020.74 : x
  2. Step 2: Convert to fraction form
    89,912,128.32/124,078,735.62 = 48,659,020.74/x
  3. Step 3: Cross multiply
    89,912,128.32x = 124,078,735.62 × 48,659,020.74
  4. Step 4: Simplify right side
    89,912,128.32x = 6,037,549,769,926,557
  5. Step 5: Solve for x
    x = 6,037,549,769,926,557/89,912,128.32
  6. Step 6: Final answer
    x = 67,149,447.83

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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.