Home / 122,087,890.80-183,131,836.20-45,395,049.60

Finding the Fourth Proportional to 122,087,890.80, 183,131,836.20 and 45,395,049.60

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Solution

The fourth proportional to 122,087,890.80, 183,131,836.20 and 45,395,049.60 is: 68,092,574.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,087,890.80 : 183,131,836.20 = 45,395,049.60 : x
  2. Step 2: Convert to fraction form
    122,087,890.80/183,131,836.20 = 45,395,049.60/x
  3. Step 3: Cross multiply
    122,087,890.80x = 183,131,836.20 × 45,395,049.60
  4. Step 4: Simplify right side
    122,087,890.80x = 8,313,278,787,638,075
  5. Step 5: Solve for x
    x = 8,313,278,787,638,075/122,087,890.80
  6. Step 6: Final answer
    x = 68,092,574.40

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1.5x scale

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.