Home / 253,855,311.66-350,392,970.34-149,493,915.36

Finding the Fourth Proportional to 253,855,311.66, 350,392,970.34 and 149,493,915.36

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Solution

The fourth proportional to 253,855,311.66, 350,392,970.34 and 149,493,915.36 is: 206,344,380.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,855,311.66 : 350,392,970.34 = 149,493,915.36 : x
  2. Step 2: Convert to fraction form
    253,855,311.66/350,392,970.34 = 149,493,915.36/x
  3. Step 3: Cross multiply
    253,855,311.66x = 350,392,970.34 × 149,493,915.36
  4. Step 4: Simplify right side
    253,855,311.66x = 52,381,617,050,746,952
  5. Step 5: Solve for x
    x = 52,381,617,050,746,952/253,855,311.66
  6. Step 6: Final answer
    x = 206,344,380.62

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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.