Home / 272,869,544.80-409,304,317.20-100,310,652.10

Finding the Fourth Proportional to 272,869,544.80, 409,304,317.20 and 100,310,652.10

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Solution

The fourth proportional to 272,869,544.80, 409,304,317.20 and 100,310,652.10 is: 150,465,978.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,869,544.80 : 409,304,317.20 = 100,310,652.10 : x
  2. Step 2: Convert to fraction form
    272,869,544.80/409,304,317.20 = 100,310,652.10/x
  3. Step 3: Cross multiply
    272,869,544.80x = 409,304,317.20 × 100,310,652.10
  4. Step 4: Simplify right side
    272,869,544.80x = 41,057,582,965,677,240
  5. Step 5: Solve for x
    x = 41,057,582,965,677,240/272,869,544.80
  6. Step 6: Final answer
    x = 150,465,978.15

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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.