Home / 282,376,169.75-389,558,237.51-176,345,506.72

Finding the Fourth Proportional to 282,376,169.75, 389,558,237.51 and 176,345,506.72

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Solution

The fourth proportional to 282,376,169.75, 389,558,237.51 and 176,345,506.72 is: 243,281,311.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,376,169.75 : 389,558,237.51 = 176,345,506.72 : x
  2. Step 2: Convert to fraction form
    282,376,169.75/389,558,237.51 = 176,345,506.72/x
  3. Step 3: Cross multiply
    282,376,169.75x = 389,558,237.51 × 176,345,506.72
  4. Step 4: Simplify right side
    282,376,169.75x = 68,696,844,790,586,040
  5. Step 5: Solve for x
    x = 68,696,844,790,586,040/282,376,169.75
  6. Step 6: Final answer
    x = 243,281,311.06

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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.