Home / 178,318,027.78-267,540,755.14-108,430,445.78

Finding the Fourth Proportional to 178,318,027.78, 267,540,755.14 and 108,430,445.78

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Solution

The fourth proportional to 178,318,027.78, 267,540,755.14 and 108,430,445.78 is: 162,684,411.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,318,027.78 : 267,540,755.14 = 108,430,445.78 : x
  2. Step 2: Convert to fraction form
    178,318,027.78/267,540,755.14 = 108,430,445.78/x
  3. Step 3: Cross multiply
    178,318,027.78x = 267,540,755.14 × 108,430,445.78
  4. Step 4: Simplify right side
    178,318,027.78x = 29,009,563,343,338,676
  5. Step 5: Solve for x
    x = 29,009,563,343,338,676/178,318,027.78
  6. Step 6: Final answer
    x = 162,684,411.13

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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.