Home / 206,596,206.30-309,894,309.45-181,653,908.70

Finding the Fourth Proportional to 206,596,206.30, 309,894,309.45 and 181,653,908.70

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Solution

The fourth proportional to 206,596,206.30, 309,894,309.45 and 181,653,908.70 is: 272,480,863.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,596,206.30 : 309,894,309.45 = 181,653,908.70 : x
  2. Step 2: Convert to fraction form
    206,596,206.30/309,894,309.45 = 181,653,908.70/x
  3. Step 3: Cross multiply
    206,596,206.30x = 309,894,309.45 × 181,653,908.70
  4. Step 4: Simplify right side
    206,596,206.30x = 56,293,512,595,479,840
  5. Step 5: Solve for x
    x = 56,293,512,595,479,840/206,596,206.30
  6. Step 6: Final answer
    x = 272,480,863.05

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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.