Home / 122,377,278.80-183,140,765.40-112,173,611.60

Finding the Fourth Proportional to 122,377,278.80, 183,140,765.40 and 112,173,611.60

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Solution

The fourth proportional to 122,377,278.80, 183,140,765.40 and 112,173,611.60 is: 167,870,713.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,377,278.80 : 183,140,765.40 = 112,173,611.60 : x
  2. Step 2: Convert to fraction form
    122,377,278.80/183,140,765.40 = 112,173,611.60/x
  3. Step 3: Cross multiply
    122,377,278.80x = 183,140,765.40 × 112,173,611.60
  4. Step 4: Simplify right side
    122,377,278.80x = 20,543,561,086,106,320
  5. Step 5: Solve for x
    x = 20,543,561,086,106,320/122,377,278.80
  6. Step 6: Final answer
    x = 167,870,713.32

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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.