Home / 381,357,944.51-572,042,231.37-108,728,711.51

Finding the Fourth Proportional to 381,357,944.51, 572,042,231.37 and 108,728,711.51

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Solution

The fourth proportional to 381,357,944.51, 572,042,231.37 and 108,728,711.51 is: 163,094,582.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,357,944.51 : 572,042,231.37 = 108,728,711.51 : x
  2. Step 2: Convert to fraction form
    381,357,944.51/572,042,231.37 = 108,728,711.51/x
  3. Step 3: Cross multiply
    381,357,944.51x = 572,042,231.37 × 108,728,711.51
  4. Step 4: Simplify right side
    381,357,944.51x = 62,197,414,746,165,408
  5. Step 5: Solve for x
    x = 62,197,414,746,165,408/381,357,944.51
  6. Step 6: Final answer
    x = 163,094,582.51

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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.