Home / 178,920,123.89-268,350,289.52-49,540,812.44

Finding the Fourth Proportional to 178,920,123.89, 268,350,289.52 and 49,540,812.44

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Solution

The fourth proportional to 178,920,123.89, 268,350,289.52 and 49,540,812.44 is: 74,302,940.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,920,123.89 : 268,350,289.52 = 49,540,812.44 : x
  2. Step 2: Convert to fraction form
    178,920,123.89/268,350,289.52 = 49,540,812.44/x
  3. Step 3: Cross multiply
    178,920,123.89x = 268,350,289.52 × 49,540,812.44
  4. Step 4: Simplify right side
    178,920,123.89x = 13,294,291,359,740,562
  5. Step 5: Solve for x
    x = 13,294,291,359,740,562/178,920,123.89
  6. Step 6: Final answer
    x = 74,302,940.73

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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.