Home / 55,164,339.90-76,126,785.45-31,972,918.96

Finding the Fourth Proportional to 55,164,339.90, 76,126,785.45 and 31,972,918.96

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Solution

The fourth proportional to 55,164,339.90, 76,126,785.45 and 31,972,918.96 is: 44,122,626.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,164,339.90 : 76,126,785.45 = 31,972,918.96 : x
  2. Step 2: Convert to fraction form
    55,164,339.90/76,126,785.45 = 31,972,918.96/x
  3. Step 3: Cross multiply
    55,164,339.90x = 76,126,785.45 × 31,972,918.96
  4. Step 4: Simplify right side
    55,164,339.90x = 2,433,995,541,878,157.50
  5. Step 5: Solve for x
    x = 2,433,995,541,878,157.50/55,164,339.90
  6. Step 6: Final answer
    x = 44,122,626.07

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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.