Home / 282,376,171.75-389,558,240.27-176,345,508.72

Finding the Fourth Proportional to 282,376,171.75, 389,558,240.27 and 176,345,508.72

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Solution

The fourth proportional to 282,376,171.75, 389,558,240.27 and 176,345,508.72 is: 243,281,313.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,376,171.75 : 389,558,240.27 = 176,345,508.72 : x
  2. Step 2: Convert to fraction form
    282,376,171.75/389,558,240.27 = 176,345,508.72/x
  3. Step 3: Cross multiply
    282,376,171.75x = 389,558,240.27 × 176,345,508.72
  4. Step 4: Simplify right side
    282,376,171.75x = 68,696,846,056,481,136
  5. Step 5: Solve for x
    x = 68,696,846,056,481,136/282,376,171.75
  6. Step 6: Final answer
    x = 243,281,313.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.