Home / 109,874,512.80-164,811,769.20-84,443,882.40

Finding the Fourth Proportional to 109,874,512.80, 164,811,769.20 and 84,443,882.40

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Solution

The fourth proportional to 109,874,512.80, 164,811,769.20 and 84,443,882.40 is: 126,665,823.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,874,512.80 : 164,811,769.20 = 84,443,882.40 : x
  2. Step 2: Convert to fraction form
    109,874,512.80/164,811,769.20 = 84,443,882.40/x
  3. Step 3: Cross multiply
    109,874,512.80x = 164,811,769.20 × 84,443,882.40
  4. Step 4: Simplify right side
    109,874,512.80x = 13,917,345,656,460,742
  5. Step 5: Solve for x
    x = 13,917,345,656,460,742/109,874,512.80
  6. Step 6: Final answer
    x = 126,665,823.60

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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.