Home / 55,146,859.20-82,720,288.80-14,757,343.20

Finding the Fourth Proportional to 55,146,859.20, 82,720,288.80 and 14,757,343.20

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Solution

The fourth proportional to 55,146,859.20, 82,720,288.80 and 14,757,343.20 is: 22,136,014.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,146,859.20 : 82,720,288.80 = 14,757,343.20 : x
  2. Step 2: Convert to fraction form
    55,146,859.20/82,720,288.80 = 14,757,343.20/x
  3. Step 3: Cross multiply
    55,146,859.20x = 82,720,288.80 × 14,757,343.20
  4. Step 4: Simplify right side
    55,146,859.20x = 1,220,731,691,424,716
  5. Step 5: Solve for x
    x = 1,220,731,691,424,716/55,146,859.20
  6. Step 6: Final answer
    x = 22,136,014.80

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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.