Home / 84,217,752.94-126,338,679.93-25,930,362.68

Finding the Fourth Proportional to 84,217,752.94, 126,338,679.93 and 25,930,362.68

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Solution

The fourth proportional to 84,217,752.94, 126,338,679.93 and 25,930,362.68 is: 38,899,254.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,217,752.94 : 126,338,679.93 = 25,930,362.68 : x
  2. Step 2: Convert to fraction form
    84,217,752.94/126,338,679.93 = 25,930,362.68/x
  3. Step 3: Cross multiply
    84,217,752.94x = 126,338,679.93 × 25,930,362.68
  4. Step 4: Simplify right side
    84,217,752.94x = 3,276,007,791,097,337
  5. Step 5: Solve for x
    x = 3,276,007,791,097,337/84,217,752.94
  6. Step 6: Final answer
    x = 38,899,254.33

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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.