Home / 208,627,718.40-313,147,537.92-156,631,472.64

Finding the Fourth Proportional to 208,627,718.40, 313,147,537.92 and 156,631,472.64

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Solution

The fourth proportional to 208,627,718.40, 313,147,537.92 and 156,631,472.64 is: 235,101,837.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,627,718.40 : 313,147,537.92 = 156,631,472.64 : x
  2. Step 2: Convert to fraction form
    208,627,718.40/313,147,537.92 = 156,631,472.64/x
  3. Step 3: Cross multiply
    208,627,718.40x = 313,147,537.92 × 156,631,472.64
  4. Step 4: Simplify right side
    208,627,718.40x = 49,048,760,017,999,840
  5. Step 5: Solve for x
    x = 49,048,760,017,999,840/208,627,718.40
  6. Step 6: Final answer
    x = 235,101,837.83

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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.