Home / 84,217,743.79-126,338,666.23-25,930,353.56

Finding the Fourth Proportional to 84,217,743.79, 126,338,666.23 and 25,930,353.56

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Solution

The fourth proportional to 84,217,743.79, 126,338,666.23 and 25,930,353.56 is: 38,899,240.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,217,743.79 : 126,338,666.23 = 25,930,353.56 : x
  2. Step 2: Convert to fraction form
    84,217,743.79/126,338,666.23 = 25,930,353.56/x
  3. Step 3: Cross multiply
    84,217,743.79x = 126,338,666.23 × 25,930,353.56
  4. Step 4: Simplify right side
    84,217,743.79x = 3,276,006,283,613,163
  5. Step 5: Solve for x
    x = 3,276,006,283,613,163/84,217,743.79
  6. Step 6: Final answer
    x = 38,899,240.66

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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.