Home / 126,153,060.78-189,228,797.13-67,888,184.22

Finding the Fourth Proportional to 126,153,060.78, 189,228,797.13 and 67,888,184.22

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Solution

The fourth proportional to 126,153,060.78, 189,228,797.13 and 67,888,184.22 is: 101,831,849.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,153,060.78 : 189,228,797.13 = 67,888,184.22 : x
  2. Step 2: Convert to fraction form
    126,153,060.78/189,228,797.13 = 67,888,184.22/x
  3. Step 3: Cross multiply
    126,153,060.78x = 189,228,797.13 × 67,888,184.22
  4. Step 4: Simplify right side
    126,153,060.78x = 12,846,399,439,290,446
  5. Step 5: Solve for x
    x = 12,846,399,439,290,446/126,153,060.78
  6. Step 6: Final answer
    x = 101,831,849.02

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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.