Home / 118,125,077.20-177,187,615.80-31,863,317.20

Finding the Fourth Proportional to 118,125,077.20, 177,187,615.80 and 31,863,317.20

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Solution

The fourth proportional to 118,125,077.20, 177,187,615.80 and 31,863,317.20 is: 47,794,975.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,125,077.20 : 177,187,615.80 = 31,863,317.20 : x
  2. Step 2: Convert to fraction form
    118,125,077.20/177,187,615.80 = 31,863,317.20/x
  3. Step 3: Cross multiply
    118,125,077.20x = 177,187,615.80 × 31,863,317.20
  4. Step 4: Simplify right side
    118,125,077.20x = 5,645,785,206,147,132
  5. Step 5: Solve for x
    x = 5,645,785,206,147,132/118,125,077.20
  6. Step 6: Final answer
    x = 47,794,975.80

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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.