Home / 108,772,642.20-163,158,963.30-103,481,851.80

Finding the Fourth Proportional to 108,772,642.20, 163,158,963.30 and 103,481,851.80

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Solution

The fourth proportional to 108,772,642.20, 163,158,963.30 and 103,481,851.80 is: 155,222,777.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,772,642.20 : 163,158,963.30 = 103,481,851.80 : x
  2. Step 2: Convert to fraction form
    108,772,642.20/163,158,963.30 = 103,481,851.80/x
  3. Step 3: Cross multiply
    108,772,642.20x = 163,158,963.30 × 103,481,851.80
  4. Step 4: Simplify right side
    108,772,642.20x = 16,883,991,660,052,240
  5. Step 5: Solve for x
    x = 16,883,991,660,052,240/108,772,642.20
  6. Step 6: Final answer
    x = 155,222,777.70

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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.