Home / 113,700,161.72-156,906,696.01-61,489,197.38

Finding the Fourth Proportional to 113,700,161.72, 156,906,696.01 and 61,489,197.38

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Solution

The fourth proportional to 113,700,161.72, 156,906,696.01 and 61,489,197.38 is: 84,855,348.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,700,161.72 : 156,906,696.01 = 61,489,197.38 : x
  2. Step 2: Convert to fraction form
    113,700,161.72/156,906,696.01 = 61,489,197.38/x
  3. Step 3: Cross multiply
    113,700,161.72x = 156,906,696.01 × 61,489,197.38
  4. Step 4: Simplify right side
    113,700,161.72x = 9,648,066,801,441,092
  5. Step 5: Solve for x
    x = 9,648,066,801,441,092/113,700,161.72
  6. Step 6: Final answer
    x = 84,855,348.10

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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.