Home / 187,508,831.04-258,737,647.85-108,126,824.47

Finding the Fourth Proportional to 187,508,831.04, 258,737,647.85 and 108,126,824.47

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Solution

The fourth proportional to 187,508,831.04, 258,737,647.85 and 108,126,824.47 is: 149,200,867.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,508,831.04 : 258,737,647.85 = 108,126,824.47 : x
  2. Step 2: Convert to fraction form
    187,508,831.04/258,737,647.85 = 108,126,824.47/x
  3. Step 3: Cross multiply
    187,508,831.04x = 258,737,647.85 × 108,126,824.47
  4. Step 4: Simplify right side
    187,508,831.04x = 27,976,480,232,074,540
  5. Step 5: Solve for x
    x = 27,976,480,232,074,540/187,508,831.04
  6. Step 6: Final answer
    x = 149,200,867.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.