Home / 272,869,543.80-409,304,315.70-100,310,651.10

Finding the Fourth Proportional to 272,869,543.80, 409,304,315.70 and 100,310,651.10

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Solution

The fourth proportional to 272,869,543.80, 409,304,315.70 and 100,310,651.10 is: 150,465,976.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,869,543.80 : 409,304,315.70 = 100,310,651.10 : x
  2. Step 2: Convert to fraction form
    272,869,543.80/409,304,315.70 = 100,310,651.10/x
  3. Step 3: Cross multiply
    272,869,543.80x = 409,304,315.70 × 100,310,651.10
  4. Step 4: Simplify right side
    272,869,543.80x = 41,057,582,405,906,952
  5. Step 5: Solve for x
    x = 41,057,582,405,906,952/272,869,543.80
  6. Step 6: Final answer
    x = 150,465,976.65

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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.