Home / 431,677,559.92-647,423,565.72-136,596,063.28

Finding the Fourth Proportional to 431,677,559.92, 647,423,565.72 and 136,596,063.28

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Solution

The fourth proportional to 431,677,559.92, 647,423,565.72 and 136,596,063.28 is: 204,864,738.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,677,559.92 : 647,423,565.72 = 136,596,063.28 : x
  2. Step 2: Convert to fraction form
    431,677,559.92/647,423,565.72 = 136,596,063.28/x
  3. Step 3: Cross multiply
    431,677,559.92x = 647,423,565.72 × 136,596,063.28
  4. Step 4: Simplify right side
    431,677,559.92x = 88,435,510,352,052,368
  5. Step 5: Solve for x
    x = 88,435,510,352,052,368/431,677,559.92
  6. Step 6: Final answer
    x = 204,864,738.32

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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.