Home / 120,743,999.10-181,115,998.65-112,240,943.10

Finding the Fourth Proportional to 120,743,999.10, 181,115,998.65 and 112,240,943.10

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Solution

The fourth proportional to 120,743,999.10, 181,115,998.65 and 112,240,943.10 is: 168,361,414.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,743,999.10 : 181,115,998.65 = 112,240,943.10 : x
  2. Step 2: Convert to fraction form
    120,743,999.10/181,115,998.65 = 112,240,943.10/x
  3. Step 3: Cross multiply
    120,743,999.10x = 181,115,998.65 × 112,240,943.10
  4. Step 4: Simplify right side
    120,743,999.10x = 20,328,630,498,974,328
  5. Step 5: Solve for x
    x = 20,328,630,498,974,328/120,743,999.10
  6. Step 6: Final answer
    x = 168,361,414.65

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1.5x scale

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.