Home / 55,147,431.20-82,721,146.80-14,757,915.20

Finding the Fourth Proportional to 55,147,431.20, 82,721,146.80 and 14,757,915.20

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Solution

The fourth proportional to 55,147,431.20, 82,721,146.80 and 14,757,915.20 is: 22,136,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,147,431.20 : 82,721,146.80 = 14,757,915.20 : x
  2. Step 2: Convert to fraction form
    55,147,431.20/82,721,146.80 = 14,757,915.20/x
  3. Step 3: Cross multiply
    55,147,431.20x = 82,721,146.80 × 14,757,915.20
  4. Step 4: Simplify right side
    55,147,431.20x = 1,220,791,669,721,151.25
  5. Step 5: Solve for x
    x = 1,220,791,669,721,151.25/55,147,431.20
  6. Step 6: Final answer
    x = 22,136,872.80

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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.