Home / 120,682,257.60-181,023,386.40-108,589,022.40

Finding the Fourth Proportional to 120,682,257.60, 181,023,386.40 and 108,589,022.40

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Solution

The fourth proportional to 120,682,257.60, 181,023,386.40 and 108,589,022.40 is: 162,883,533.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,682,257.60 : 181,023,386.40 = 108,589,022.40 : x
  2. Step 2: Convert to fraction form
    120,682,257.60/181,023,386.40 = 108,589,022.40/x
  3. Step 3: Cross multiply
    120,682,257.60x = 181,023,386.40 × 108,589,022.40
  4. Step 4: Simplify right side
    120,682,257.60x = 19,657,152,560,713,456
  5. Step 5: Solve for x
    x = 19,657,152,560,713,456/120,682,257.60
  6. Step 6: Final answer
    x = 162,883,533.60

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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.