Home / 321,107,510.93-443,140,545.80-179,981,339.72

Finding the Fourth Proportional to 321,107,510.93, 443,140,545.80 and 179,981,339.72

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Solution

The fourth proportional to 321,107,510.93, 443,140,545.80 and 179,981,339.72 is: 248,381,076.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,107,510.93 : 443,140,545.80 = 179,981,339.72 : x
  2. Step 2: Convert to fraction form
    321,107,510.93/443,140,545.80 = 179,981,339.72/x
  3. Step 3: Cross multiply
    321,107,510.93x = 443,140,545.80 × 179,981,339.72
  4. Step 4: Simplify right side
    321,107,510.93x = 79,757,029,115,570,272
  5. Step 5: Solve for x
    x = 79,757,029,115,570,272/321,107,510.93
  6. Step 6: Final answer
    x = 248,381,076.13

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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.