Home / 76,469,458.40-114,688,246.80-27,970,157.60

Finding the Fourth Proportional to 76,469,458.40, 114,688,246.80 and 27,970,157.60

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Solution

The fourth proportional to 76,469,458.40, 114,688,246.80 and 27,970,157.60 is: 41,949,405.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,469,458.40 : 114,688,246.80 = 27,970,157.60 : x
  2. Step 2: Convert to fraction form
    76,469,458.40/114,688,246.80 = 27,970,157.60/x
  3. Step 3: Cross multiply
    76,469,458.40x = 114,688,246.80 × 27,970,157.60
  4. Step 4: Simplify right side
    76,469,458.40x = 3,207,848,337,863,696
  5. Step 5: Solve for x
    x = 3,207,848,337,863,696/76,469,458.40
  6. Step 6: Final answer
    x = 41,949,405.75

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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.