Home / 56,832,959.76-85,228,280.40-20,431,416.48

Finding the Fourth Proportional to 56,832,959.76, 85,228,280.40 and 20,431,416.48

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Solution

The fourth proportional to 56,832,959.76, 85,228,280.40 and 20,431,416.48 is: 30,639,517.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,832,959.76 : 85,228,280.40 = 20,431,416.48 : x
  2. Step 2: Convert to fraction form
    56,832,959.76/85,228,280.40 = 20,431,416.48/x
  3. Step 3: Cross multiply
    56,832,959.76x = 85,228,280.40 × 20,431,416.48
  4. Step 4: Simplify right side
    56,832,959.76x = 1,741,334,492,726,621.25
  5. Step 5: Solve for x
    x = 1,741,334,492,726,621.25/56,832,959.76
  6. Step 6: Final answer
    x = 30,639,517.99

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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.