Home / 66,049,039.20-99,073,558.80-45,893,647.20

Finding the Fourth Proportional to 66,049,039.20, 99,073,558.80 and 45,893,647.20

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Solution

The fourth proportional to 66,049,039.20, 99,073,558.80 and 45,893,647.20 is: 68,840,470.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,049,039.20 : 99,073,558.80 = 45,893,647.20 : x
  2. Step 2: Convert to fraction form
    66,049,039.20/99,073,558.80 = 45,893,647.20/x
  3. Step 3: Cross multiply
    66,049,039.20x = 99,073,558.80 × 45,893,647.20
  4. Step 4: Simplify right side
    66,049,039.20x = 4,546,846,954,415,656
  5. Step 5: Solve for x
    x = 4,546,846,954,415,656/66,049,039.20
  6. Step 6: Final answer
    x = 68,840,470.80

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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.