Home / 82,872,104.40-124,273,952.53-28,289,090.97

Finding the Fourth Proportional to 82,872,104.40, 124,273,952.53 and 28,289,090.97

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Solution

The fourth proportional to 82,872,104.40, 124,273,952.53 and 28,289,090.97 is: 42,421,960.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,872,104.40 : 124,273,952.53 = 28,289,090.97 : x
  2. Step 2: Convert to fraction form
    82,872,104.40/124,273,952.53 = 28,289,090.97/x
  3. Step 3: Cross multiply
    82,872,104.40x = 124,273,952.53 × 28,289,090.97
  4. Step 4: Simplify right side
    82,872,104.40x = 3,515,597,148,251,909
  5. Step 5: Solve for x
    x = 3,515,597,148,251,909/82,872,104.40
  6. Step 6: Final answer
    x = 42,421,960.61

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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.