Home / 84,602,885.62-126,904,766.38-38,512,521.82

Finding the Fourth Proportional to 84,602,885.62, 126,904,766.38 and 38,512,521.82

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Solution

The fourth proportional to 84,602,885.62, 126,904,766.38 and 38,512,521.82 is: 57,768,982.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,602,885.62 : 126,904,766.38 = 38,512,521.82 : x
  2. Step 2: Convert to fraction form
    84,602,885.62/126,904,766.38 = 38,512,521.82/x
  3. Step 3: Cross multiply
    84,602,885.62x = 126,904,766.38 × 38,512,521.82
  4. Step 4: Simplify right side
    84,602,885.62x = 4,887,422,584,271,752
  5. Step 5: Solve for x
    x = 4,887,422,584,271,752/84,602,885.62
  6. Step 6: Final answer
    x = 57,768,982.09

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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.