Home / 108,917,399.20-163,376,098.80-39,830,069.20

Finding the Fourth Proportional to 108,917,399.20, 163,376,098.80 and 39,830,069.20

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Solution

The fourth proportional to 108,917,399.20, 163,376,098.80 and 39,830,069.20 is: 59,745,103.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,917,399.20 : 163,376,098.80 = 39,830,069.20 : x
  2. Step 2: Convert to fraction form
    108,917,399.20/163,376,098.80 = 39,830,069.20/x
  3. Step 3: Cross multiply
    108,917,399.20x = 163,376,098.80 × 39,830,069.20
  4. Step 4: Simplify right side
    108,917,399.20x = 6,507,281,320,830,038
  5. Step 5: Solve for x
    x = 6,507,281,320,830,038/108,917,399.20
  6. Step 6: Final answer
    x = 59,745,103.80

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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.