Home / 90,222,468.20-124,507,147.38-48,969,377.72

Finding the Fourth Proportional to 90,222,468.20, 124,507,147.38 and 48,969,377.72

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Solution

The fourth proportional to 90,222,468.20, 124,507,147.38 and 48,969,377.72 is: 67,577,817.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,222,468.20 : 124,507,147.38 = 48,969,377.72 : x
  2. Step 2: Convert to fraction form
    90,222,468.20/124,507,147.38 = 48,969,377.72/x
  3. Step 3: Cross multiply
    90,222,468.20x = 124,507,147.38 × 48,969,377.72
  4. Step 4: Simplify right side
    90,222,468.20x = 6,097,037,528,890,928
  5. Step 5: Solve for x
    x = 6,097,037,528,890,928/90,222,468.20
  6. Step 6: Final answer
    x = 67,577,817.93

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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.