Home / 120,180,430.95-180,476,947.23-73,766,464.26

Finding the Fourth Proportional to 120,180,430.95, 180,476,947.23 and 73,766,464.26

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Solution

The fourth proportional to 120,180,430.95, 180,476,947.23 and 73,766,464.26 is: 110,776,323.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,180,430.95 : 180,476,947.23 = 73,766,464.26 : x
  2. Step 2: Convert to fraction form
    120,180,430.95/180,476,947.23 = 73,766,464.26/x
  3. Step 3: Cross multiply
    120,180,430.95x = 180,476,947.23 × 73,766,464.26
  4. Step 4: Simplify right side
    120,180,430.95x = 13,313,146,278,787,922
  5. Step 5: Solve for x
    x = 13,313,146,278,787,922/120,180,430.95
  6. Step 6: Final answer
    x = 110,776,323.35

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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.