Home / 178,737,473.45-268,105,815.30-47,579,778.25

Finding the Fourth Proportional to 178,737,473.45, 268,105,815.30 and 47,579,778.25

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Solution

The fourth proportional to 178,737,473.45, 268,105,815.30 and 47,579,778.25 is: 71,369,562.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,737,473.45 : 268,105,815.30 = 47,579,778.25 : x
  2. Step 2: Convert to fraction form
    178,737,473.45/268,105,815.30 = 47,579,778.25/x
  3. Step 3: Cross multiply
    178,737,473.45x = 268,105,815.30 × 47,579,778.25
  4. Step 4: Simplify right side
    178,737,473.45x = 12,756,415,239,509,458
  5. Step 5: Solve for x
    x = 12,756,415,239,509,458/178,737,473.45
  6. Step 6: Final answer
    x = 71,369,562.26

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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.