Home / 288,723,972.80-433,085,959.20-173,932,716.80

Finding the Fourth Proportional to 288,723,972.80, 433,085,959.20 and 173,932,716.80

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Solution

The fourth proportional to 288,723,972.80, 433,085,959.20 and 173,932,716.80 is: 260,899,075.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,723,972.80 : 433,085,959.20 = 173,932,716.80 : x
  2. Step 2: Convert to fraction form
    288,723,972.80/433,085,959.20 = 173,932,716.80/x
  3. Step 3: Cross multiply
    288,723,972.80x = 433,085,959.20 × 173,932,716.80
  4. Step 4: Simplify right side
    288,723,972.80x = 75,327,817,491,589,952
  5. Step 5: Solve for x
    x = 75,327,817,491,589,952/288,723,972.80
  6. Step 6: Final answer
    x = 260,899,075.20

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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.