Home / 120,765,442.46-180,980,570.30-55,025,921.43

Finding the Fourth Proportional to 120,765,442.46, 180,980,570.30 and 55,025,921.43

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Solution

The fourth proportional to 120,765,442.46, 180,980,570.30 and 55,025,921.43 is: 82,462,519.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,765,442.46 : 180,980,570.30 = 55,025,921.43 : x
  2. Step 2: Convert to fraction form
    120,765,442.46/180,980,570.30 = 55,025,921.43/x
  3. Step 3: Cross multiply
    120,765,442.46x = 180,980,570.30 × 55,025,921.43
  4. Step 4: Simplify right side
    120,765,442.46x = 9,958,622,641,409,262
  5. Step 5: Solve for x
    x = 9,958,622,641,409,262/120,765,442.46
  6. Step 6: Final answer
    x = 82,462,519.40

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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.