Home / 42,789,015.48-59,048,780.82-23,209,880.21

Finding the Fourth Proportional to 42,789,015.48, 59,048,780.82 and 23,209,880.21

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Solution

The fourth proportional to 42,789,015.48, 59,048,780.82 and 23,209,880.21 is: 32,029,601.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,789,015.48 : 59,048,780.82 = 23,209,880.21 : x
  2. Step 2: Convert to fraction form
    42,789,015.48/59,048,780.82 = 23,209,880.21/x
  3. Step 3: Cross multiply
    42,789,015.48x = 59,048,780.82 × 23,209,880.21
  4. Step 4: Simplify right side
    42,789,015.48x = 1,370,515,129,378,745.75
  5. Step 5: Solve for x
    x = 1,370,515,129,378,745.75/42,789,015.48
  6. Step 6: Final answer
    x = 32,029,601.85

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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.