Home / 55,164,340.90-76,126,786.83-31,972,919.96

Finding the Fourth Proportional to 55,164,340.90, 76,126,786.83 and 31,972,919.96

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Solution

The fourth proportional to 55,164,340.90, 76,126,786.83 and 31,972,919.96 is: 44,122,627.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,164,340.90 : 76,126,786.83 = 31,972,919.96 : x
  2. Step 2: Convert to fraction form
    55,164,340.90/76,126,786.83 = 31,972,919.96/x
  3. Step 3: Cross multiply
    55,164,340.90x = 76,126,786.83 × 31,972,919.96
  4. Step 4: Simplify right side
    55,164,340.90x = 2,433,995,662,127,572
  5. Step 5: Solve for x
    x = 2,433,995,662,127,572/55,164,340.90
  6. Step 6: Final answer
    x = 44,122,627.45

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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.