Home / 124,524,412.80-186,282,734.40-109,407,868.80

Finding the Fourth Proportional to 124,524,412.80, 186,282,734.40 and 109,407,868.80

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Solution

The fourth proportional to 124,524,412.80, 186,282,734.40 and 109,407,868.80 is: 163,669,087.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,524,412.80 : 186,282,734.40 = 109,407,868.80 : x
  2. Step 2: Convert to fraction form
    124,524,412.80/186,282,734.40 = 109,407,868.80/x
  3. Step 3: Cross multiply
    124,524,412.80x = 186,282,734.40 × 109,407,868.80
  4. Step 4: Simplify right side
    124,524,412.80x = 20,380,796,964,940,448
  5. Step 5: Solve for x
    x = 20,380,796,964,940,448/124,524,412.80
  6. Step 6: Final answer
    x = 163,669,087.10

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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.