Home / 124,394,231.52-171,726,188.40-77,366,463.48

Finding the Fourth Proportional to 124,394,231.52, 171,726,188.40 and 77,366,463.48

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Solution

The fourth proportional to 124,394,231.52, 171,726,188.40 and 77,366,463.48 is: 106,804,372.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,394,231.52 : 171,726,188.40 = 77,366,463.48 : x
  2. Step 2: Convert to fraction form
    124,394,231.52/171,726,188.40 = 77,366,463.48/x
  3. Step 3: Cross multiply
    124,394,231.52x = 171,726,188.40 × 77,366,463.48
  4. Step 4: Simplify right side
    124,394,231.52x = 13,285,847,883,408,200
  5. Step 5: Solve for x
    x = 13,285,847,883,408,200/124,394,231.52
  6. Step 6: Final answer
    x = 106,804,372.85

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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.