Home / 261,973,481.80-392,960,222.70-185,382,992.20

Finding the Fourth Proportional to 261,973,481.80, 392,960,222.70 and 185,382,992.20

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Solution

The fourth proportional to 261,973,481.80, 392,960,222.70 and 185,382,992.20 is: 278,074,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,973,481.80 : 392,960,222.70 = 185,382,992.20 : x
  2. Step 2: Convert to fraction form
    261,973,481.80/392,960,222.70 = 185,382,992.20/x
  3. Step 3: Cross multiply
    261,973,481.80x = 392,960,222.70 × 185,382,992.20
  4. Step 4: Simplify right side
    261,973,481.80x = 72,848,141,899,704,352
  5. Step 5: Solve for x
    x = 72,848,141,899,704,352/261,973,481.80
  6. Step 6: Final answer
    x = 278,074,488.30

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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.