Home / 108,807,964.20-163,211,946.30-84,149,101.80

Finding the Fourth Proportional to 108,807,964.20, 163,211,946.30 and 84,149,101.80

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Solution

The fourth proportional to 108,807,964.20, 163,211,946.30 and 84,149,101.80 is: 126,223,652.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,807,964.20 : 163,211,946.30 = 84,149,101.80 : x
  2. Step 2: Convert to fraction form
    108,807,964.20/163,211,946.30 = 84,149,101.80/x
  3. Step 3: Cross multiply
    108,807,964.20x = 163,211,946.30 × 84,149,101.80
  4. Step 4: Simplify right side
    108,807,964.20x = 13,734,138,684,174,834
  5. Step 5: Solve for x
    x = 13,734,138,684,174,834/108,807,964.20
  6. Step 6: Final answer
    x = 126,223,652.70

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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.