Home / 381,294,062.10-572,161,752.78-159,945,578.72

Finding the Fourth Proportional to 381,294,062.10, 572,161,752.78 and 159,945,578.72

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Solution

The fourth proportional to 381,294,062.10, 572,161,752.78 and 159,945,578.72 is: 240,010,930.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,294,062.10 : 572,161,752.78 = 159,945,578.72 : x
  2. Step 2: Convert to fraction form
    381,294,062.10/572,161,752.78 = 159,945,578.72/x
  3. Step 3: Cross multiply
    381,294,062.10x = 572,161,752.78 × 159,945,578.72
  4. Step 4: Simplify right side
    381,294,062.10x = 91,514,742,666,985,856
  5. Step 5: Solve for x
    x = 91,514,742,666,985,856/381,294,062.10
  6. Step 6: Final answer
    x = 240,010,930.57

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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.