Home / 76,345,206.40-114,517,809.60-45,734,204.80

Finding the Fourth Proportional to 76,345,206.40, 114,517,809.60 and 45,734,204.80

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Solution

The fourth proportional to 76,345,206.40, 114,517,809.60 and 45,734,204.80 is: 68,601,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,345,206.40 : 114,517,809.60 = 45,734,204.80 : x
  2. Step 2: Convert to fraction form
    76,345,206.40/114,517,809.60 = 45,734,204.80/x
  3. Step 3: Cross multiply
    76,345,206.40x = 114,517,809.60 × 45,734,204.80
  4. Step 4: Simplify right side
    76,345,206.40x = 5,237,380,957,493,805
  5. Step 5: Solve for x
    x = 5,237,380,957,493,805/76,345,206.40
  6. Step 6: Final answer
    x = 68,601,307.20

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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.