Home / 206,596,199.80-309,894,299.70-181,653,902.20

Finding the Fourth Proportional to 206,596,199.80, 309,894,299.70 and 181,653,902.20

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Solution

The fourth proportional to 206,596,199.80, 309,894,299.70 and 181,653,902.20 is: 272,480,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,596,199.80 : 309,894,299.70 = 181,653,902.20 : x
  2. Step 2: Convert to fraction form
    206,596,199.80/309,894,299.70 = 181,653,902.20/x
  3. Step 3: Cross multiply
    206,596,199.80x = 309,894,299.70 × 181,653,902.20
  4. Step 4: Simplify right side
    206,596,199.80x = 56,293,508,810,041,280
  5. Step 5: Solve for x
    x = 56,293,508,810,041,280/206,596,199.80
  6. Step 6: Final answer
    x = 272,480,853.30

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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.