Home / 199,278,425.27-275,004,344.81-111,172,423.25

Finding the Fourth Proportional to 199,278,425.27, 275,004,344.81 and 111,172,423.25

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Solution

The fourth proportional to 199,278,425.27, 275,004,344.81 and 111,172,423.25 is: 153,418,009.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,278,425.27 : 275,004,344.81 = 111,172,423.25 : x
  2. Step 2: Convert to fraction form
    199,278,425.27/275,004,344.81 = 111,172,423.25/x
  3. Step 3: Cross multiply
    199,278,425.27x = 275,004,344.81 × 111,172,423.25
  4. Step 4: Simplify right side
    199,278,425.27x = 30,572,899,415,709,172
  5. Step 5: Solve for x
    x = 30,572,899,415,709,172/199,278,425.27
  6. Step 6: Final answer
    x = 153,418,009.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.