Home / 188,356,792.50-259,935,396.57-103,587,261.75

Finding the Fourth Proportional to 188,356,792.50, 259,935,396.57 and 103,587,261.75

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Solution

The fourth proportional to 188,356,792.50, 259,935,396.57 and 103,587,261.75 is: 142,952,083.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,356,792.50 : 259,935,396.57 = 103,587,261.75 : x
  2. Step 2: Convert to fraction form
    188,356,792.50/259,935,396.57 = 103,587,261.75/x
  3. Step 3: Cross multiply
    188,356,792.50x = 259,935,396.57 × 103,587,261.75
  4. Step 4: Simplify right side
    188,356,792.50x = 26,925,995,962,586,640
  5. Step 5: Solve for x
    x = 26,925,995,962,586,640/188,356,792.50
  6. Step 6: Final answer
    x = 142,952,083.68

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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.