Home / 126,125,956.80-189,216,928.80-57,952,209.60

Finding the Fourth Proportional to 126,125,956.80, 189,216,928.80 and 57,952,209.60

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Solution

The fourth proportional to 126,125,956.80, 189,216,928.80 and 57,952,209.60 is: 86,941,176.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,125,956.80 : 189,216,928.80 = 57,952,209.60 : x
  2. Step 2: Convert to fraction form
    126,125,956.80/189,216,928.80 = 57,952,209.60/x
  3. Step 3: Cross multiply
    126,125,956.80x = 189,216,928.80 × 57,952,209.60
  4. Step 4: Simplify right side
    126,125,956.80x = 10,965,539,117,685,878
  5. Step 5: Solve for x
    x = 10,965,539,117,685,878/126,125,956.80
  6. Step 6: Final answer
    x = 86,941,176.87

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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.