Home / 108,924,911.20-163,387,366.80-39,837,581.20

Finding the Fourth Proportional to 108,924,911.20, 163,387,366.80 and 39,837,581.20

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Solution

The fourth proportional to 108,924,911.20, 163,387,366.80 and 39,837,581.20 is: 59,756,371.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,924,911.20 : 163,387,366.80 = 39,837,581.20 : x
  2. Step 2: Convert to fraction form
    108,924,911.20/163,387,366.80 = 39,837,581.20/x
  3. Step 3: Cross multiply
    108,924,911.20x = 163,387,366.80 × 39,837,581.20
  4. Step 4: Simplify right side
    108,924,911.20x = 6,508,957,491,949,185
  5. Step 5: Solve for x
    x = 6,508,957,491,949,185/108,924,911.20
  6. Step 6: Final answer
    x = 59,756,371.80

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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.