Home / 84,602,889.24-126,904,771.71-38,512,525.38

Finding the Fourth Proportional to 84,602,889.24, 126,904,771.71 and 38,512,525.38

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Solution

The fourth proportional to 84,602,889.24, 126,904,771.71 and 38,512,525.38 is: 57,768,987.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,602,889.24 : 126,904,771.71 = 38,512,525.38 : x
  2. Step 2: Convert to fraction form
    84,602,889.24/126,904,771.71 = 38,512,525.38/x
  3. Step 3: Cross multiply
    84,602,889.24x = 126,904,771.71 × 38,512,525.38
  4. Step 4: Simplify right side
    84,602,889.24x = 4,887,423,241,324,481
  5. Step 5: Solve for x
    x = 4,887,423,241,324,481/84,602,889.24
  6. Step 6: Final answer
    x = 57,768,987.39

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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.