Home / 89,339,195.46-123,291,080.10-49,648,399.01

Finding the Fourth Proportional to 89,339,195.46, 123,291,080.10 and 49,648,399.01

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Solution

The fourth proportional to 89,339,195.46, 123,291,080.10 and 49,648,399.01 is: 68,516,452.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,339,195.46 : 123,291,080.10 = 49,648,399.01 : x
  2. Step 2: Convert to fraction form
    89,339,195.46/123,291,080.10 = 49,648,399.01/x
  3. Step 3: Cross multiply
    89,339,195.46x = 123,291,080.10 × 49,648,399.01
  4. Step 4: Simplify right side
    89,339,195.46x = 6,121,204,739,362,778
  5. Step 5: Solve for x
    x = 6,121,204,739,362,778/89,339,195.46
  6. Step 6: Final answer
    x = 68,516,452.47

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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.