Home / 108,918,127.80-163,377,191.70-40,751,962.20

Finding the Fourth Proportional to 108,918,127.80, 163,377,191.70 and 40,751,962.20

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Solution

The fourth proportional to 108,918,127.80, 163,377,191.70 and 40,751,962.20 is: 61,127,943.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,918,127.80 : 163,377,191.70 = 40,751,962.20 : x
  2. Step 2: Convert to fraction form
    108,918,127.80/163,377,191.70 = 40,751,962.20/x
  3. Step 3: Cross multiply
    108,918,127.80x = 163,377,191.70 × 40,751,962.20
  4. Step 4: Simplify right side
    108,918,127.80x = 6,657,941,140,500,554
  5. Step 5: Solve for x
    x = 6,657,941,140,500,554/108,918,127.80
  6. Step 6: Final answer
    x = 61,127,943.30

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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.