Home / 51,548,757.30-77,371,728.09-18,790,988.60

Finding the Fourth Proportional to 51,548,757.30, 77,371,728.09 and 18,790,988.60

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Solution

The fourth proportional to 51,548,757.30, 77,371,728.09 and 18,790,988.60 is: 28,204,196.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,548,757.30 : 77,371,728.09 = 18,790,988.60 : x
  2. Step 2: Convert to fraction form
    51,548,757.30/77,371,728.09 = 18,790,988.60/x
  3. Step 3: Cross multiply
    51,548,757.30x = 77,371,728.09 × 18,790,988.60
  4. Step 4: Simplify right side
    51,548,757.30x = 1,453,891,260,501,490
  5. Step 5: Solve for x
    x = 1,453,891,260,501,490/51,548,757.30
  6. Step 6: Final answer
    x = 28,204,196.12

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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.