Home / 90,287,162.48-124,597,016.40-49,034,350.16

Finding the Fourth Proportional to 90,287,162.48, 124,597,016.40 and 49,034,350.16

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Solution

The fourth proportional to 90,287,162.48, 124,597,016.40 and 49,034,350.16 is: 67,667,800.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,287,162.48 : 124,597,016.40 = 49,034,350.16 : x
  2. Step 2: Convert to fraction form
    90,287,162.48/124,597,016.40 = 49,034,350.16/x
  3. Step 3: Cross multiply
    90,287,162.48x = 124,597,016.40 × 49,034,350.16
  4. Step 4: Simplify right side
    90,287,162.48x = 6,109,533,731,048,862
  5. Step 5: Solve for x
    x = 6,109,533,731,048,862/90,287,162.48
  6. Step 6: Final answer
    x = 67,667,800.86

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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.