Home / 172,679,099.60-258,682,726.20-104,318,728.40

Finding the Fourth Proportional to 172,679,099.60, 258,682,726.20 and 104,318,728.40

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Solution

The fourth proportional to 172,679,099.60, 258,682,726.20 and 104,318,728.40 is: 156,275,155.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,679,099.60 : 258,682,726.20 = 104,318,728.40 : x
  2. Step 2: Convert to fraction form
    172,679,099.60/258,682,726.20 = 104,318,728.40/x
  3. Step 3: Cross multiply
    172,679,099.60x = 258,682,726.20 × 104,318,728.40
  4. Step 4: Simplify right side
    172,679,099.60x = 26,985,453,056,229,364
  5. Step 5: Solve for x
    x = 26,985,453,056,229,364/172,679,099.60
  6. Step 6: Final answer
    x = 156,275,155.01

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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.