Home / 56,984,993.28-85,478,146.56-20,596,147.20

Finding the Fourth Proportional to 56,984,993.28, 85,478,146.56 and 20,596,147.20

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Solution

The fourth proportional to 56,984,993.28, 85,478,146.56 and 20,596,147.20 is: 30,894,458.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,984,993.28 : 85,478,146.56 = 20,596,147.20 : x
  2. Step 2: Convert to fraction form
    56,984,993.28/85,478,146.56 = 20,596,147.20/x
  3. Step 3: Cross multiply
    56,984,993.28x = 85,478,146.56 × 20,596,147.20
  4. Step 4: Simplify right side
    56,984,993.28x = 1,760,520,488,932,933.50
  5. Step 5: Solve for x
    x = 1,760,520,488,932,933.50/56,984,993.28
  6. Step 6: Final answer
    x = 30,894,458.13

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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.