Home / 178,693,658.40-268,040,487.60-57,525,110.40

Finding the Fourth Proportional to 178,693,658.40, 268,040,487.60 and 57,525,110.40

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Solution

The fourth proportional to 178,693,658.40, 268,040,487.60 and 57,525,110.40 is: 86,287,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,693,658.40 : 268,040,487.60 = 57,525,110.40 : x
  2. Step 2: Convert to fraction form
    178,693,658.40/268,040,487.60 = 57,525,110.40/x
  3. Step 3: Cross multiply
    178,693,658.40x = 268,040,487.60 × 57,525,110.40
  4. Step 4: Simplify right side
    178,693,658.40x = 15,419,058,640,859,830
  5. Step 5: Solve for x
    x = 15,419,058,640,859,830/178,693,658.40
  6. Step 6: Final answer
    x = 86,287,665.60

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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.