Home / 162,469,868.49-243,693,372.02-76,227,185.61

Finding the Fourth Proportional to 162,469,868.49, 243,693,372.02 and 76,227,185.61

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Solution

The fourth proportional to 162,469,868.49, 243,693,372.02 and 76,227,185.61 is: 114,335,415.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,469,868.49 : 243,693,372.02 = 76,227,185.61 : x
  2. Step 2: Convert to fraction form
    162,469,868.49/243,693,372.02 = 76,227,185.61/x
  3. Step 3: Cross multiply
    162,469,868.49x = 243,693,372.02 × 76,227,185.61
  4. Step 4: Simplify right side
    162,469,868.49x = 18,576,059,900,514,184
  5. Step 5: Solve for x
    x = 18,576,059,900,514,184/162,469,868.49
  6. Step 6: Final answer
    x = 114,335,415.38

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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.