Home / 180,447,492.78-248,974,855.54-102,131,046.28

Finding the Fourth Proportional to 180,447,492.78, 248,974,855.54 and 102,131,046.28

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Solution

The fourth proportional to 180,447,492.78, 248,974,855.54 and 102,131,046.28 is: 140,916,684.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,447,492.78 : 248,974,855.54 = 102,131,046.28 : x
  2. Step 2: Convert to fraction form
    180,447,492.78/248,974,855.54 = 102,131,046.28/x
  3. Step 3: Cross multiply
    180,447,492.78x = 248,974,855.54 × 102,131,046.28
  4. Step 4: Simplify right side
    180,447,492.78x = 25,428,062,493,712,052
  5. Step 5: Solve for x
    x = 25,428,062,493,712,052/180,447,492.78
  6. Step 6: Final answer
    x = 140,916,684.97

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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.