Home / 99,654,443.55-149,481,665.33-55,890,277.20

Finding the Fourth Proportional to 99,654,443.55, 149,481,665.33 and 55,890,277.20

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Solution

The fourth proportional to 99,654,443.55, 149,481,665.33 and 55,890,277.20 is: 83,835,415.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,654,443.55 : 149,481,665.33 = 55,890,277.20 : x
  2. Step 2: Convert to fraction form
    99,654,443.55/149,481,665.33 = 55,890,277.20/x
  3. Step 3: Cross multiply
    99,654,443.55x = 149,481,665.33 × 55,890,277.20
  4. Step 4: Simplify right side
    99,654,443.55x = 8,354,571,711,331,878
  5. Step 5: Solve for x
    x = 8,354,571,711,331,878/99,654,443.55
  6. Step 6: Final answer
    x = 83,835,415.80

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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.