Home / 126,372,292.80-189,558,439.20-105,964,958.40

Finding the Fourth Proportional to 126,372,292.80, 189,558,439.20 and 105,964,958.40

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Solution

The fourth proportional to 126,372,292.80, 189,558,439.20 and 105,964,958.40 is: 158,947,437.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,372,292.80 : 189,558,439.20 = 105,964,958.40 : x
  2. Step 2: Convert to fraction form
    126,372,292.80/189,558,439.20 = 105,964,958.40/x
  3. Step 3: Cross multiply
    126,372,292.80x = 189,558,439.20 × 105,964,958.40
  4. Step 4: Simplify right side
    126,372,292.80x = 20,086,552,124,196,928
  5. Step 5: Solve for x
    x = 20,086,552,124,196,928/126,372,292.80
  6. Step 6: Final answer
    x = 158,947,437.60

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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.