Home / 215,489,942.33-297,376,115.13-116,370,681.64

Finding the Fourth Proportional to 215,489,942.33, 297,376,115.13 and 116,370,681.64

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Solution

The fourth proportional to 215,489,942.33, 297,376,115.13 and 116,370,681.64 is: 160,591,537.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,489,942.33 : 297,376,115.13 = 116,370,681.64 : x
  2. Step 2: Convert to fraction form
    215,489,942.33/297,376,115.13 = 116,370,681.64/x
  3. Step 3: Cross multiply
    215,489,942.33x = 297,376,115.13 × 116,370,681.64
  4. Step 4: Simplify right side
    215,489,942.33x = 34,605,861,220,389,776
  5. Step 5: Solve for x
    x = 34,605,861,220,389,776/215,489,942.33
  6. Step 6: Final answer
    x = 160,591,537.81

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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.