Home / 312,092,708.60-467,487,616.61-187,199,252.42

Finding the Fourth Proportional to 312,092,708.60, 467,487,616.61 and 187,199,252.42

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Solution

The fourth proportional to 312,092,708.60, 467,487,616.61 and 187,199,252.42 is: 280,408,128.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,092,708.60 : 467,487,616.61 = 187,199,252.42 : x
  2. Step 2: Convert to fraction form
    312,092,708.60/467,487,616.61 = 187,199,252.42/x
  3. Step 3: Cross multiply
    312,092,708.60x = 467,487,616.61 × 187,199,252.42
  4. Step 4: Simplify right side
    312,092,708.60x = 87,513,332,343,130,128
  5. Step 5: Solve for x
    x = 87,513,332,343,130,128/312,092,708.60
  6. Step 6: Final answer
    x = 280,408,128.52

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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.