Home / 56,742,964.56-85,098,940.20-20,344,597.20

Finding the Fourth Proportional to 56,742,964.56, 85,098,940.20 and 20,344,597.20

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Solution

The fourth proportional to 56,742,964.56, 85,098,940.20 and 20,344,597.20 is: 30,511,336.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,742,964.56 : 85,098,940.20 = 20,344,597.20 : x
  2. Step 2: Convert to fraction form
    56,742,964.56/85,098,940.20 = 20,344,597.20/x
  3. Step 3: Cross multiply
    56,742,964.56x = 85,098,940.20 × 20,344,597.20
  4. Step 4: Simplify right side
    56,742,964.56x = 1,731,303,660,515,887.50
  5. Step 5: Solve for x
    x = 1,731,303,660,515,887.50/56,742,964.56
  6. Step 6: Final answer
    x = 30,511,336.06

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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.