Home / 226,399,234.71-312,429,065.79-127,280,423.93

Finding the Fourth Proportional to 226,399,234.71, 312,429,065.79 and 127,280,423.93

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Solution

The fourth proportional to 226,399,234.71, 312,429,065.79 and 127,280,423.93 is: 175,645,929.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,399,234.71 : 312,429,065.79 = 127,280,423.93 : x
  2. Step 2: Convert to fraction form
    226,399,234.71/312,429,065.79 = 127,280,423.93/x
  3. Step 3: Cross multiply
    226,399,234.71x = 312,429,065.79 × 127,280,423.93
  4. Step 4: Simplify right side
    226,399,234.71x = 39,766,103,940,242,920
  5. Step 5: Solve for x
    x = 39,766,103,940,242,920/226,399,234.71
  6. Step 6: Final answer
    x = 175,645,929.15

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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.