Home / 124,524,011.80-186,282,132.90-109,407,467.80

Finding the Fourth Proportional to 124,524,011.80, 186,282,132.90 and 109,407,467.80

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Solution

The fourth proportional to 124,524,011.80, 186,282,132.90 and 109,407,467.80 is: 163,668,485.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,524,011.80 : 186,282,132.90 = 109,407,467.80 : x
  2. Step 2: Convert to fraction form
    124,524,011.80/186,282,132.90 = 109,407,467.80/x
  3. Step 3: Cross multiply
    124,524,011.80x = 186,282,132.90 × 109,407,467.80
  4. Step 4: Simplify right side
    124,524,011.80x = 20,380,656,456,972,072
  5. Step 5: Solve for x
    x = 20,380,656,456,972,072/124,524,011.80
  6. Step 6: Final answer
    x = 163,668,485.80

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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.