Home / 279,812,309.40-419,718,464.10-88,311,202.20

Finding the Fourth Proportional to 279,812,309.40, 419,718,464.10 and 88,311,202.20

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Solution

The fourth proportional to 279,812,309.40, 419,718,464.10 and 88,311,202.20 is: 132,466,803.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,812,309.40 : 419,718,464.10 = 88,311,202.20 : x
  2. Step 2: Convert to fraction form
    279,812,309.40/419,718,464.10 = 88,311,202.20/x
  3. Step 3: Cross multiply
    279,812,309.40x = 419,718,464.10 × 88,311,202.20
  4. Step 4: Simplify right side
    279,812,309.40x = 37,065,842,150,208,544
  5. Step 5: Solve for x
    x = 37,065,842,150,208,544/279,812,309.40
  6. Step 6: Final answer
    x = 132,466,803.30

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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.