Home / 372,512,269.85-558,854,862.53-126,871,032.83

Finding the Fourth Proportional to 372,512,269.85, 558,854,862.53 and 126,871,032.83

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Solution

The fourth proportional to 372,512,269.85, 558,854,862.53 and 126,871,032.83 is: 190,335,995.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,512,269.85 : 558,854,862.53 = 126,871,032.83 : x
  2. Step 2: Convert to fraction form
    372,512,269.85/558,854,862.53 = 126,871,032.83/x
  3. Step 3: Cross multiply
    372,512,269.85x = 558,854,862.53 × 126,871,032.83
  4. Step 4: Simplify right side
    372,512,269.85x = 70,902,493,612,011,544
  5. Step 5: Solve for x
    x = 70,902,493,612,011,544/372,512,269.85
  6. Step 6: Final answer
    x = 190,335,995.21

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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.