Home / 288,255,025.20-432,382,537.80-132,808,532.70

Finding the Fourth Proportional to 288,255,025.20, 432,382,537.80 and 132,808,532.70

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Solution

The fourth proportional to 288,255,025.20, 432,382,537.80 and 132,808,532.70 is: 199,212,799.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,255,025.20 : 432,382,537.80 = 132,808,532.70 : x
  2. Step 2: Convert to fraction form
    288,255,025.20/432,382,537.80 = 132,808,532.70/x
  3. Step 3: Cross multiply
    288,255,025.20x = 432,382,537.80 × 132,808,532.70
  4. Step 4: Simplify right side
    288,255,025.20x = 57,424,090,410,320,288
  5. Step 5: Solve for x
    x = 57,424,090,410,320,288/288,255,025.20
  6. Step 6: Final answer
    x = 199,212,799.05

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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.