Home / 79,129,969.20-118,694,953.80-58,722,634.80

Finding the Fourth Proportional to 79,129,969.20, 118,694,953.80 and 58,722,634.80

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Solution

The fourth proportional to 79,129,969.20, 118,694,953.80 and 58,722,634.80 is: 88,083,952.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,129,969.20 : 118,694,953.80 = 58,722,634.80 : x
  2. Step 2: Convert to fraction form
    79,129,969.20/118,694,953.80 = 58,722,634.80/x
  3. Step 3: Cross multiply
    79,129,969.20x = 118,694,953.80 × 58,722,634.80
  4. Step 4: Simplify right side
    79,129,969.20x = 6,970,080,424,600,272
  5. Step 5: Solve for x
    x = 6,970,080,424,600,272/79,129,969.20
  6. Step 6: Final answer
    x = 88,083,952.20

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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.