Home / 84,392,913.31-126,588,658.84-65,964,359.32

Finding the Fourth Proportional to 84,392,913.31, 126,588,658.84 and 65,964,359.32

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Solution

The fourth proportional to 84,392,913.31, 126,588,658.84 and 65,964,359.32 is: 98,945,983.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,392,913.31 : 126,588,658.84 = 65,964,359.32 : x
  2. Step 2: Convert to fraction form
    84,392,913.31/126,588,658.84 = 65,964,359.32/x
  3. Step 3: Cross multiply
    84,392,913.31x = 126,588,658.84 × 65,964,359.32
  4. Step 4: Simplify right side
    84,392,913.31x = 8,350,339,777,077,273
  5. Step 5: Solve for x
    x = 8,350,339,777,077,273/84,392,913.31
  6. Step 6: Final answer
    x = 98,945,983.14

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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.