Home / 108,879,903.20-163,333,851.60-54,320,376.80

Finding the Fourth Proportional to 108,879,903.20, 163,333,851.60 and 54,320,376.80

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Solution

The fourth proportional to 108,879,903.20, 163,333,851.60 and 54,320,376.80 is: 81,487,548.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,879,903.20 : 163,333,851.60 = 54,320,376.80 : x
  2. Step 2: Convert to fraction form
    108,879,903.20/163,333,851.60 = 54,320,376.80/x
  3. Step 3: Cross multiply
    108,879,903.20x = 163,333,851.60 × 54,320,376.80
  4. Step 4: Simplify right side
    108,879,903.20x = 8,872,356,363,107,282
  5. Step 5: Solve for x
    x = 8,872,356,363,107,282/108,879,903.20
  6. Step 6: Final answer
    x = 81,487,548.23

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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.