Home / 108,866,843.20-163,300,264.80-28,087,811.20

Finding the Fourth Proportional to 108,866,843.20, 163,300,264.80 and 28,087,811.20

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Solution

The fourth proportional to 108,866,843.20, 163,300,264.80 and 28,087,811.20 is: 42,131,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,866,843.20 : 163,300,264.80 = 28,087,811.20 : x
  2. Step 2: Convert to fraction form
    108,866,843.20/163,300,264.80 = 28,087,811.20/x
  3. Step 3: Cross multiply
    108,866,843.20x = 163,300,264.80 × 28,087,811.20
  4. Step 4: Simplify right side
    108,866,843.20x = 4,586,747,006,612,406
  5. Step 5: Solve for x
    x = 4,586,747,006,612,406/108,866,843.20
  6. Step 6: Final answer
    x = 42,131,716.80

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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.