Home / 126,037,660.32-189,056,535.84-39,784,790.88

Finding the Fourth Proportional to 126,037,660.32, 189,056,535.84 and 39,784,790.88

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Solution

The fourth proportional to 126,037,660.32, 189,056,535.84 and 39,784,790.88 is: 59,677,200.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,037,660.32 : 189,056,535.84 = 39,784,790.88 : x
  2. Step 2: Convert to fraction form
    126,037,660.32/189,056,535.84 = 39,784,790.88/x
  3. Step 3: Cross multiply
    126,037,660.32x = 189,056,535.84 × 39,784,790.88
  4. Step 4: Simplify right side
    126,037,660.32x = 7,521,574,742,891,626
  5. Step 5: Solve for x
    x = 7,521,574,742,891,626/126,037,660.32
  6. Step 6: Final answer
    x = 59,677,200.64

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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.