Home / 133,485,271.90-200,227,907.85-47,320,971.10

Finding the Fourth Proportional to 133,485,271.90, 200,227,907.85 and 47,320,971.10

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Solution

The fourth proportional to 133,485,271.90, 200,227,907.85 and 47,320,971.10 is: 70,981,456.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,485,271.90 : 200,227,907.85 = 47,320,971.10 : x
  2. Step 2: Convert to fraction form
    133,485,271.90/200,227,907.85 = 47,320,971.10/x
  3. Step 3: Cross multiply
    133,485,271.90x = 200,227,907.85 × 47,320,971.10
  4. Step 4: Simplify right side
    133,485,271.90x = 9,474,979,040,783,314
  5. Step 5: Solve for x
    x = 9,474,979,040,783,314/133,485,271.90
  6. Step 6: Final answer
    x = 70,981,456.65

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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.