Home / 120,852,950.80-181,279,426.20-104,413,709.20

Finding the Fourth Proportional to 120,852,950.80, 181,279,426.20 and 104,413,709.20

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Solution

The fourth proportional to 120,852,950.80, 181,279,426.20 and 104,413,709.20 is: 156,620,563.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,852,950.80 : 181,279,426.20 = 104,413,709.20 : x
  2. Step 2: Convert to fraction form
    120,852,950.80/181,279,426.20 = 104,413,709.20/x
  3. Step 3: Cross multiply
    120,852,950.80x = 181,279,426.20 × 104,413,709.20
  4. Step 4: Simplify right side
    120,852,950.80x = 18,928,057,291,189,660
  5. Step 5: Solve for x
    x = 18,928,057,291,189,660/120,852,950.80
  6. Step 6: Final answer
    x = 156,620,563.80

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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.