Home / 172,522,866.18-258,737,164.23-61,837,905.77

Finding the Fourth Proportional to 172,522,866.18, 258,737,164.23 and 61,837,905.77

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Solution

The fourth proportional to 172,522,866.18, 258,737,164.23 and 61,837,905.77 is: 92,739,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,522,866.18 : 258,737,164.23 = 61,837,905.77 : x
  2. Step 2: Convert to fraction form
    172,522,866.18/258,737,164.23 = 61,837,905.77/x
  3. Step 3: Cross multiply
    172,522,866.18x = 258,737,164.23 × 61,837,905.77
  4. Step 4: Simplify right side
    172,522,866.18x = 15,999,764,380,851,754
  5. Step 5: Solve for x
    x = 15,999,764,380,851,754/172,522,866.18
  6. Step 6: Final answer
    x = 92,739,963.90

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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.