Home / 55,164,343.40-76,126,790.28-31,972,922.46

Finding the Fourth Proportional to 55,164,343.40, 76,126,790.28 and 31,972,922.46

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Solution

The fourth proportional to 55,164,343.40, 76,126,790.28 and 31,972,922.46 is: 44,122,630.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,164,343.40 : 76,126,790.28 = 31,972,922.46 : x
  2. Step 2: Convert to fraction form
    55,164,343.40/76,126,790.28 = 31,972,922.46/x
  3. Step 3: Cross multiply
    55,164,343.40x = 76,126,790.28 × 31,972,922.46
  4. Step 4: Simplify right side
    55,164,343.40x = 2,433,995,962,751,122
  5. Step 5: Solve for x
    x = 2,433,995,962,751,122/55,164,343.40
  6. Step 6: Final answer
    x = 44,122,630.90

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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.