Home / 54,786,886.92-82,049,883.12-31,709,225.52

Finding the Fourth Proportional to 54,786,886.92, 82,049,883.12 and 31,709,225.52

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Solution

The fourth proportional to 54,786,886.92, 82,049,883.12 and 31,709,225.52 is: 47,488,338.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,786,886.92 : 82,049,883.12 = 31,709,225.52 : x
  2. Step 2: Convert to fraction form
    54,786,886.92/82,049,883.12 = 31,709,225.52/x
  3. Step 3: Cross multiply
    54,786,886.92x = 82,049,883.12 × 31,709,225.52
  4. Step 4: Simplify right side
    54,786,886.92x = 2,601,738,247,741,721.50
  5. Step 5: Solve for x
    x = 2,601,738,247,741,721.50/54,786,886.92
  6. Step 6: Final answer
    x = 47,488,338.80

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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.