Home / 91,678,183.83-126,548,802.08-54,508,375.43

Finding the Fourth Proportional to 91,678,183.83, 126,548,802.08 and 54,508,375.43

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Solution

The fourth proportional to 91,678,183.83, 126,548,802.08 and 54,508,375.43 is: 75,241,124.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,678,183.83 : 126,548,802.08 = 54,508,375.43 : x
  2. Step 2: Convert to fraction form
    91,678,183.83/126,548,802.08 = 54,508,375.43/x
  3. Step 3: Cross multiply
    91,678,183.83x = 126,548,802.08 × 54,508,375.43
  4. Step 4: Simplify right side
    91,678,183.83x = 6,897,969,613,088,119
  5. Step 5: Solve for x
    x = 6,897,969,613,088,119/91,678,183.83
  6. Step 6: Final answer
    x = 75,241,124.17

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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.