Home / 172,522,867.18-258,737,165.73-61,837,906.77

Finding the Fourth Proportional to 172,522,867.18, 258,737,165.73 and 61,837,906.77

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Solution

The fourth proportional to 172,522,867.18, 258,737,165.73 and 61,837,906.77 is: 92,739,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,522,867.18 : 258,737,165.73 = 61,837,906.77 : x
  2. Step 2: Convert to fraction form
    172,522,867.18/258,737,165.73 = 61,837,906.77/x
  3. Step 3: Cross multiply
    172,522,867.18x = 258,737,165.73 × 61,837,906.77
  4. Step 4: Simplify right side
    172,522,867.18x = 15,999,764,732,345,780
  5. Step 5: Solve for x
    x = 15,999,764,732,345,780/172,522,867.18
  6. Step 6: Final answer
    x = 92,739,965.40

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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.