Home / 126,617,821.80-189,892,562.64-44,725,919.36

Finding the Fourth Proportional to 126,617,821.80, 189,892,562.64 and 44,725,919.36

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Solution

The fourth proportional to 126,617,821.80, 189,892,562.64 and 44,725,919.36 is: 67,076,808.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,617,821.80 : 189,892,562.64 = 44,725,919.36 : x
  2. Step 2: Convert to fraction form
    126,617,821.80/189,892,562.64 = 44,725,919.36/x
  3. Step 3: Cross multiply
    126,617,821.80x = 189,892,562.64 × 44,725,919.36
  4. Step 4: Simplify right side
    126,617,821.80x = 8,493,119,442,527,295
  5. Step 5: Solve for x
    x = 8,493,119,442,527,295/126,617,821.80
  6. Step 6: Final answer
    x = 67,076,808.95

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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.