Home / 315,514,315.67-435,432,286.85-174,382,499.97

Finding the Fourth Proportional to 315,514,315.67, 435,432,286.85 and 174,382,499.97

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Solution

The fourth proportional to 315,514,315.67, 435,432,286.85 and 174,382,499.97 is: 240,660,302.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,514,315.67 : 435,432,286.85 = 174,382,499.97 : x
  2. Step 2: Convert to fraction form
    315,514,315.67/435,432,286.85 = 174,382,499.97/x
  3. Step 3: Cross multiply
    315,514,315.67x = 435,432,286.85 × 174,382,499.97
  4. Step 4: Simplify right side
    315,514,315.67x = 75,931,770,747,685,248
  5. Step 5: Solve for x
    x = 75,931,770,747,685,248/315,514,315.67
  6. Step 6: Final answer
    x = 240,660,302.81

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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.