Home / 122,481,509.70-183,722,264.55-54,324,201.45

Finding the Fourth Proportional to 122,481,509.70, 183,722,264.55 and 54,324,201.45

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Solution

The fourth proportional to 122,481,509.70, 183,722,264.55 and 54,324,201.45 is: 81,486,302.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,481,509.70 : 183,722,264.55 = 54,324,201.45 : x
  2. Step 2: Convert to fraction form
    122,481,509.70/183,722,264.55 = 54,324,201.45/x
  3. Step 3: Cross multiply
    122,481,509.70x = 183,722,264.55 × 54,324,201.45
  4. Step 4: Simplify right side
    122,481,509.70x = 9,980,565,310,264,394
  5. Step 5: Solve for x
    x = 9,980,565,310,264,394/122,481,509.70
  6. Step 6: Final answer
    x = 81,486,302.18

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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.