Home / 120,617,652.72-166,488,750.88-104,273,352.74

Finding the Fourth Proportional to 120,617,652.72, 166,488,750.88 and 104,273,352.74

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Solution

The fourth proportional to 120,617,652.72, 166,488,750.88 and 104,273,352.74 is: 143,928,685.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,617,652.72 : 166,488,750.88 = 104,273,352.74 : x
  2. Step 2: Convert to fraction form
    120,617,652.72/166,488,750.88 = 104,273,352.74/x
  3. Step 3: Cross multiply
    120,617,652.72x = 166,488,750.88 × 104,273,352.74
  4. Step 4: Simplify right side
    120,617,652.72x = 17,360,340,247,907,764
  5. Step 5: Solve for x
    x = 17,360,340,247,907,764/120,617,652.72
  6. Step 6: Final answer
    x = 143,928,685.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.