Home / 56,448,309.20-84,672,463.80-20,541,851.60

Finding the Fourth Proportional to 56,448,309.20, 84,672,463.80 and 20,541,851.60

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Solution

The fourth proportional to 56,448,309.20, 84,672,463.80 and 20,541,851.60 is: 30,812,777.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,448,309.20 : 84,672,463.80 = 20,541,851.60 : x
  2. Step 2: Convert to fraction form
    56,448,309.20/84,672,463.80 = 20,541,851.60/x
  3. Step 3: Cross multiply
    56,448,309.20x = 84,672,463.80 × 20,541,851.60
  4. Step 4: Simplify right side
    56,448,309.20x = 1,739,329,185,985,972.25
  5. Step 5: Solve for x
    x = 1,739,329,185,985,972.25/56,448,309.20
  6. Step 6: Final answer
    x = 30,812,777.40

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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.