Home / 49,723,443.80-74,585,165.70-45,418,771.70

Finding the Fourth Proportional to 49,723,443.80, 74,585,165.70 and 45,418,771.70

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Solution

The fourth proportional to 49,723,443.80, 74,585,165.70 and 45,418,771.70 is: 68,128,157.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,723,443.80 : 74,585,165.70 = 45,418,771.70 : x
  2. Step 2: Convert to fraction form
    49,723,443.80/74,585,165.70 = 45,418,771.70/x
  3. Step 3: Cross multiply
    49,723,443.80x = 74,585,165.70 × 45,418,771.70
  4. Step 4: Simplify right side
    49,723,443.80x = 3,387,566,613,134,971
  5. Step 5: Solve for x
    x = 3,387,566,613,134,971/49,723,443.80
  6. Step 6: Final answer
    x = 68,128,157.55

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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.