Home / 129,471,196.80-194,206,795.20-52,752,403.20

Finding the Fourth Proportional to 129,471,196.80, 194,206,795.20 and 52,752,403.20

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Solution

The fourth proportional to 129,471,196.80, 194,206,795.20 and 52,752,403.20 is: 79,128,604.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,471,196.80 : 194,206,795.20 = 52,752,403.20 : x
  2. Step 2: Convert to fraction form
    129,471,196.80/194,206,795.20 = 52,752,403.20/x
  3. Step 3: Cross multiply
    129,471,196.80x = 194,206,795.20 × 52,752,403.20
  4. Step 4: Simplify right side
    129,471,196.80x = 10,244,875,164,570,224
  5. Step 5: Solve for x
    x = 10,244,875,164,570,224/129,471,196.80
  6. Step 6: Final answer
    x = 79,128,604.80

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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.