Home / 215,896,956.57-323,846,375.95-68,345,238.49

Finding the Fourth Proportional to 215,896,956.57, 323,846,375.95 and 68,345,238.49

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Solution

The fourth proportional to 215,896,956.57, 323,846,375.95 and 68,345,238.49 is: 102,518,155.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,896,956.57 : 323,846,375.95 = 68,345,238.49 : x
  2. Step 2: Convert to fraction form
    215,896,956.57/323,846,375.95 = 68,345,238.49/x
  3. Step 3: Cross multiply
    215,896,956.57x = 323,846,375.95 × 68,345,238.49
  4. Step 4: Simplify right side
    215,896,956.57x = 22,133,357,797,700,768
  5. Step 5: Solve for x
    x = 22,133,357,797,700,768/215,896,956.57
  6. Step 6: Final answer
    x = 102,518,155.65

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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.