Home / 163,206,871.80-244,810,307.70-126,218,578.20

Finding the Fourth Proportional to 163,206,871.80, 244,810,307.70 and 126,218,578.20

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Solution

The fourth proportional to 163,206,871.80, 244,810,307.70 and 126,218,578.20 is: 189,327,867.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,206,871.80 : 244,810,307.70 = 126,218,578.20 : x
  2. Step 2: Convert to fraction form
    163,206,871.80/244,810,307.70 = 126,218,578.20/x
  3. Step 3: Cross multiply
    163,206,871.80x = 244,810,307.70 × 126,218,578.20
  4. Step 4: Simplify right side
    163,206,871.80x = 30,899,608,966,598,512
  5. Step 5: Solve for x
    x = 30,899,608,966,598,512/163,206,871.80
  6. Step 6: Final answer
    x = 189,327,867.30

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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.