Home / 372,512,271.35-558,854,864.78-126,871,034.33

Finding the Fourth Proportional to 372,512,271.35, 558,854,864.78 and 126,871,034.33

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Solution

The fourth proportional to 372,512,271.35, 558,854,864.78 and 126,871,034.33 is: 190,335,997.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,512,271.35 : 558,854,864.78 = 126,871,034.33 : x
  2. Step 2: Convert to fraction form
    372,512,271.35/558,854,864.78 = 126,871,034.33/x
  3. Step 3: Cross multiply
    372,512,271.35x = 558,854,864.78 × 126,871,034.33
  4. Step 4: Simplify right side
    372,512,271.35x = 70,902,494,735,753,664
  5. Step 5: Solve for x
    x = 70,902,494,735,753,664/372,512,271.35
  6. Step 6: Final answer
    x = 190,335,997.47

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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.