Home / 108,867,391.20-163,301,086.80-28,088,359.20

Finding the Fourth Proportional to 108,867,391.20, 163,301,086.80 and 28,088,359.20

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Solution

The fourth proportional to 108,867,391.20, 163,301,086.80 and 28,088,359.20 is: 42,132,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,867,391.20 : 163,301,086.80 = 28,088,359.20 : x
  2. Step 2: Convert to fraction form
    108,867,391.20/163,301,086.80 = 28,088,359.20/x
  3. Step 3: Cross multiply
    108,867,391.20x = 163,301,086.80 × 28,088,359.20
  4. Step 4: Simplify right side
    108,867,391.20x = 4,586,859,583,788,779
  5. Step 5: Solve for x
    x = 4,586,859,583,788,779/108,867,391.20
  6. Step 6: Final answer
    x = 42,132,538.80

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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.