Home / 319,541,600.70-479,312,401.05-164,573,405.10

Finding the Fourth Proportional to 319,541,600.70, 479,312,401.05 and 164,573,405.10

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Solution

The fourth proportional to 319,541,600.70, 479,312,401.05 and 164,573,405.10 is: 246,860,107.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,541,600.70 : 479,312,401.05 = 164,573,405.10 : x
  2. Step 2: Convert to fraction form
    319,541,600.70/479,312,401.05 = 164,573,405.10/x
  3. Step 3: Cross multiply
    319,541,600.70x = 479,312,401.05 × 164,573,405.10
  4. Step 4: Simplify right side
    319,541,600.70x = 78,882,073,947,455,312
  5. Step 5: Solve for x
    x = 78,882,073,947,455,312/319,541,600.70
  6. Step 6: Final answer
    x = 246,860,107.65

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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.