Home / 135,719,399.71-187,277,785.66-76,167,036.93

Finding the Fourth Proportional to 135,719,399.71, 187,277,785.66 and 76,167,036.93

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Solution

The fourth proportional to 135,719,399.71, 187,277,785.66 and 76,167,036.93 is: 105,102,100.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,719,399.71 : 187,277,785.66 = 76,167,036.93 : x
  2. Step 2: Convert to fraction form
    135,719,399.71/187,277,785.66 = 76,167,036.93/x
  3. Step 3: Cross multiply
    135,719,399.71x = 187,277,785.66 × 76,167,036.93
  4. Step 4: Simplify right side
    135,719,399.71x = 14,264,394,016,153,010
  5. Step 5: Solve for x
    x = 14,264,394,016,153,010/135,719,399.71
  6. Step 6: Final answer
    x = 105,102,100.71

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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.