Home / 178,737,472.45-268,105,813.80-47,579,777.25

Finding the Fourth Proportional to 178,737,472.45, 268,105,813.80 and 47,579,777.25

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Solution

The fourth proportional to 178,737,472.45, 268,105,813.80 and 47,579,777.25 is: 71,369,560.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,737,472.45 : 268,105,813.80 = 47,579,777.25 : x
  2. Step 2: Convert to fraction form
    178,737,472.45/268,105,813.80 = 47,579,777.25/x
  3. Step 3: Cross multiply
    178,737,472.45x = 268,105,813.80 × 47,579,777.25
  4. Step 4: Simplify right side
    178,737,472.45x = 12,756,414,900,033,976
  5. Step 5: Solve for x
    x = 12,756,414,900,033,976/178,737,472.45
  6. Step 6: Final answer
    x = 71,369,560.76

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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.