Home / 199,392,040.80-299,088,061.20-84,338,344.80

Finding the Fourth Proportional to 199,392,040.80, 299,088,061.20 and 84,338,344.80

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Solution

The fourth proportional to 199,392,040.80, 299,088,061.20 and 84,338,344.80 is: 126,507,517.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,392,040.80 : 299,088,061.20 = 84,338,344.80 : x
  2. Step 2: Convert to fraction form
    199,392,040.80/299,088,061.20 = 84,338,344.80/x
  3. Step 3: Cross multiply
    199,392,040.80x = 299,088,061.20 × 84,338,344.80
  4. Step 4: Simplify right side
    199,392,040.80x = 25,224,592,031,049,100
  5. Step 5: Solve for x
    x = 25,224,592,031,049,100/199,392,040.80
  6. Step 6: Final answer
    x = 126,507,517.20

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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.