Home / 69,571,101.90-96,010,535.07-38,631,787.86

Finding the Fourth Proportional to 69,571,101.90, 96,010,535.07 and 38,631,787.86

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Solution

The fourth proportional to 69,571,101.90, 96,010,535.07 and 38,631,787.86 is: 53,313,207.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,571,101.90 : 96,010,535.07 = 38,631,787.86 : x
  2. Step 2: Convert to fraction form
    69,571,101.90/96,010,535.07 = 38,631,787.86/x
  3. Step 3: Cross multiply
    69,571,101.90x = 96,010,535.07 × 38,631,787.86
  4. Step 4: Simplify right side
    69,571,101.90x = 3,709,058,623,149,330
  5. Step 5: Solve for x
    x = 3,709,058,623,149,330/69,571,101.90
  6. Step 6: Final answer
    x = 53,313,207.95

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Double scale
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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.