Home / 315,589,717.88-435,514,400.72-176,360,479.80

Finding the Fourth Proportional to 315,589,717.88, 435,514,400.72 and 176,360,479.80

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Solution

The fourth proportional to 315,589,717.88, 435,514,400.72 and 176,360,479.80 is: 243,377,791.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,589,717.88 : 435,514,400.72 = 176,360,479.80 : x
  2. Step 2: Convert to fraction form
    315,589,717.88/435,514,400.72 = 176,360,479.80/x
  3. Step 3: Cross multiply
    315,589,717.88x = 435,514,400.72 × 176,360,479.80
  4. Step 4: Simplify right side
    315,589,717.88x = 76,807,528,670,788,672
  5. Step 5: Solve for x
    x = 76,807,528,670,788,672/315,589,717.88
  6. Step 6: Final answer
    x = 243,377,791.86

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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.