Home / 66,311,846.46-91,475,318.79-45,649,420.38

Finding the Fourth Proportional to 66,311,846.46, 91,475,318.79 and 45,649,420.38

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Solution

The fourth proportional to 66,311,846.46, 91,475,318.79 and 45,649,420.38 is: 62,972,085.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,311,846.46 : 91,475,318.79 = 45,649,420.38 : x
  2. Step 2: Convert to fraction form
    66,311,846.46/91,475,318.79 = 45,649,420.38/x
  3. Step 3: Cross multiply
    66,311,846.46x = 91,475,318.79 × 45,649,420.38
  4. Step 4: Simplify right side
    66,311,846.46x = 4,175,795,281,839,223.50
  5. Step 5: Solve for x
    x = 4,175,795,281,839,223.50/66,311,846.46
  6. Step 6: Final answer
    x = 62,972,085.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.