Home / 115,192,541.97-172,911,771.81-49,646,027.60

Finding the Fourth Proportional to 115,192,541.97, 172,911,771.81 and 49,646,027.60

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Solution

The fourth proportional to 115,192,541.97, 172,911,771.81 and 49,646,027.60 is: 74,522,034.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,192,541.97 : 172,911,771.81 = 49,646,027.60 : x
  2. Step 2: Convert to fraction form
    115,192,541.97/172,911,771.81 = 49,646,027.60/x
  3. Step 3: Cross multiply
    115,192,541.97x = 172,911,771.81 × 49,646,027.60
  4. Step 4: Simplify right side
    115,192,541.97x = 8,584,382,594,802,613
  5. Step 5: Solve for x
    x = 8,584,382,594,802,613/115,192,541.97
  6. Step 6: Final answer
    x = 74,522,034.57

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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.