Home / 69,923,912.60-96,495,403.74-38,986,007.96

Finding the Fourth Proportional to 69,923,912.60, 96,495,403.74 and 38,986,007.96

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Solution

The fourth proportional to 69,923,912.60, 96,495,403.74 and 38,986,007.96 is: 53,800,916.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,923,912.60 : 96,495,403.74 = 38,986,007.96 : x
  2. Step 2: Convert to fraction form
    69,923,912.60/96,495,403.74 = 38,986,007.96/x
  3. Step 3: Cross multiply
    69,923,912.60x = 96,495,403.74 × 38,986,007.96
  4. Step 4: Simplify right side
    69,923,912.60x = 3,761,970,578,311,053.50
  5. Step 5: Solve for x
    x = 3,761,970,578,311,053.50/69,923,912.60
  6. Step 6: Final answer
    x = 53,800,916.43

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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.