Home / 76,601,211.20-114,901,816.80-36,290,427.20

Finding the Fourth Proportional to 76,601,211.20, 114,901,816.80 and 36,290,427.20

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Solution

The fourth proportional to 76,601,211.20, 114,901,816.80 and 36,290,427.20 is: 54,435,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,601,211.20 : 114,901,816.80 = 36,290,427.20 : x
  2. Step 2: Convert to fraction form
    76,601,211.20/114,901,816.80 = 36,290,427.20/x
  3. Step 3: Cross multiply
    76,601,211.20x = 114,901,816.80 × 36,290,427.20
  4. Step 4: Simplify right side
    76,601,211.20x = 4,169,836,017,728,137
  5. Step 5: Solve for x
    x = 4,169,836,017,728,137/76,601,211.20
  6. Step 6: Final answer
    x = 54,435,640.80

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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.