Home / 137,024,672.88-205,560,048.12-67,940,885.82

Finding the Fourth Proportional to 137,024,672.88, 205,560,048.12 and 67,940,885.82

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Solution

The fourth proportional to 137,024,672.88, 205,560,048.12 and 67,940,885.82 is: 101,922,752.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,024,672.88 : 205,560,048.12 = 67,940,885.82 : x
  2. Step 2: Convert to fraction form
    137,024,672.88/205,560,048.12 = 67,940,885.82/x
  3. Step 3: Cross multiply
    137,024,672.88x = 205,560,048.12 × 67,940,885.82
  4. Step 4: Simplify right side
    137,024,672.88x = 13,965,931,758,474,624
  5. Step 5: Solve for x
    x = 13,965,931,758,474,624/137,024,672.88
  6. Step 6: Final answer
    x = 101,922,752.05

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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.