Home / 191,974,488.76-264,932,313.51-108,345,540.61

Finding the Fourth Proportional to 191,974,488.76, 264,932,313.51 and 108,345,540.61

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Solution

The fourth proportional to 191,974,488.76, 264,932,313.51 and 108,345,540.61 is: 149,521,089.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,974,488.76 : 264,932,313.51 = 108,345,540.61 : x
  2. Step 2: Convert to fraction form
    191,974,488.76/264,932,313.51 = 108,345,540.61/x
  3. Step 3: Cross multiply
    191,974,488.76x = 264,932,313.51 × 108,345,540.61
  4. Step 4: Simplify right side
    191,974,488.76x = 28,704,234,732,298,956
  5. Step 5: Solve for x
    x = 28,704,234,732,298,956/191,974,488.76
  6. Step 6: Final answer
    x = 149,521,089.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.