Home / 178,644,753.10-267,967,129.65-76,419,124.30

Finding the Fourth Proportional to 178,644,753.10, 267,967,129.65 and 76,419,124.30

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Solution

The fourth proportional to 178,644,753.10, 267,967,129.65 and 76,419,124.30 is: 114,628,686.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,644,753.10 : 267,967,129.65 = 76,419,124.30 : x
  2. Step 2: Convert to fraction form
    178,644,753.10/267,967,129.65 = 76,419,124.30/x
  3. Step 3: Cross multiply
    178,644,753.10x = 267,967,129.65 × 76,419,124.30
  4. Step 4: Simplify right side
    178,644,753.10x = 20,477,813,389,037,564
  5. Step 5: Solve for x
    x = 20,477,813,389,037,564/178,644,753.10
  6. Step 6: Final answer
    x = 114,628,686.45

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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.