Home / 69,760,883.70-104,641,325.55-21,238,352.10

Finding the Fourth Proportional to 69,760,883.70, 104,641,325.55 and 21,238,352.10

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Solution

The fourth proportional to 69,760,883.70, 104,641,325.55 and 21,238,352.10 is: 31,857,528.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,760,883.70 : 104,641,325.55 = 21,238,352.10 : x
  2. Step 2: Convert to fraction form
    69,760,883.70/104,641,325.55 = 21,238,352.10/x
  3. Step 3: Cross multiply
    69,760,883.70x = 104,641,325.55 × 21,238,352.10
  4. Step 4: Simplify right side
    69,760,883.70x = 2,222,409,316,241,626.25
  5. Step 5: Solve for x
    x = 2,222,409,316,241,626.25/69,760,883.70
  6. Step 6: Final answer
    x = 31,857,528.15

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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.