Home / 115,512,695.16-173,152,284.66-72,412,144.44

Finding the Fourth Proportional to 115,512,695.16, 173,152,284.66 and 72,412,144.44

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Solution

The fourth proportional to 115,512,695.16, 173,152,284.66 and 72,412,144.44 is: 108,545,023.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,512,695.16 : 173,152,284.66 = 72,412,144.44 : x
  2. Step 2: Convert to fraction form
    115,512,695.16/173,152,284.66 = 72,412,144.44/x
  3. Step 3: Cross multiply
    115,512,695.16x = 173,152,284.66 × 72,412,144.44
  4. Step 4: Simplify right side
    115,512,695.16x = 12,538,328,246,915,916
  5. Step 5: Solve for x
    x = 12,538,328,246,915,916/115,512,695.16
  6. Step 6: Final answer
    x = 108,545,023.81

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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.