Home / 247,082,922.90-340,832,768.49-154,102,005.54

Finding the Fourth Proportional to 247,082,922.90, 340,832,768.49 and 154,102,005.54

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Solution

The fourth proportional to 247,082,922.90, 340,832,768.49 and 154,102,005.54 is: 212,572,413.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,082,922.90 : 340,832,768.49 = 154,102,005.54 : x
  2. Step 2: Convert to fraction form
    247,082,922.90/340,832,768.49 = 154,102,005.54/x
  3. Step 3: Cross multiply
    247,082,922.90x = 340,832,768.49 × 154,102,005.54
  4. Step 4: Simplify right side
    247,082,922.90x = 52,523,013,178,059,520
  5. Step 5: Solve for x
    x = 52,523,013,178,059,520/247,082,922.90
  6. Step 6: Final answer
    x = 212,572,413.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.