Home / 57,146,665.44-85,719,764.88-20,754,985.44

Finding the Fourth Proportional to 57,146,665.44, 85,719,764.88 and 20,754,985.44

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Solution

The fourth proportional to 57,146,665.44, 85,719,764.88 and 20,754,985.44 is: 31,132,393.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,146,665.44 : 85,719,764.88 = 20,754,985.44 : x
  2. Step 2: Convert to fraction form
    57,146,665.44/85,719,764.88 = 20,754,985.44/x
  3. Step 3: Cross multiply
    57,146,665.44x = 85,719,764.88 × 20,754,985.44
  4. Step 4: Simplify right side
    57,146,665.44x = 1,779,112,472,004,623.25
  5. Step 5: Solve for x
    x = 1,779,112,472,004,623.25/57,146,665.44
  6. Step 6: Final answer
    x = 31,132,393.44

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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.