Home / 140,133,863.52-210,177,972.72-49,236,233.76

Finding the Fourth Proportional to 140,133,863.52, 210,177,972.72 and 49,236,233.76

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Solution

The fourth proportional to 140,133,863.52, 210,177,972.72 and 49,236,233.76 is: 73,846,331.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,133,863.52 : 210,177,972.72 = 49,236,233.76 : x
  2. Step 2: Convert to fraction form
    140,133,863.52/210,177,972.72 = 49,236,233.76/x
  3. Step 3: Cross multiply
    140,133,863.52x = 210,177,972.72 × 49,236,233.76
  4. Step 4: Simplify right side
    140,133,863.52x = 10,348,371,796,044,822
  5. Step 5: Solve for x
    x = 10,348,371,796,044,822/140,133,863.52
  6. Step 6: Final answer
    x = 73,846,331.90

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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.