Home / 69,760,886.70-104,641,330.05-21,238,355.10

Finding the Fourth Proportional to 69,760,886.70, 104,641,330.05 and 21,238,355.10

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Solution

The fourth proportional to 69,760,886.70, 104,641,330.05 and 21,238,355.10 is: 31,857,532.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,760,886.70 : 104,641,330.05 = 21,238,355.10 : x
  2. Step 2: Convert to fraction form
    69,760,886.70/104,641,330.05 = 21,238,355.10/x
  3. Step 3: Cross multiply
    69,760,886.70x = 104,641,330.05 × 21,238,355.10
  4. Step 4: Simplify right side
    69,760,886.70x = 2,222,409,725,738,200.75
  5. Step 5: Solve for x
    x = 2,222,409,725,738,200.75/69,760,886.70
  6. Step 6: Final answer
    x = 31,857,532.65

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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.