Home / 74,672,022.60-112,008,033.90-20,819,334.60

Finding the Fourth Proportional to 74,672,022.60, 112,008,033.90 and 20,819,334.60

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Solution

The fourth proportional to 74,672,022.60, 112,008,033.90 and 20,819,334.60 is: 31,229,001.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,672,022.60 : 112,008,033.90 = 20,819,334.60 : x
  2. Step 2: Convert to fraction form
    74,672,022.60/112,008,033.90 = 20,819,334.60/x
  3. Step 3: Cross multiply
    74,672,022.60x = 112,008,033.90 × 20,819,334.60
  4. Step 4: Simplify right side
    74,672,022.60x = 2,331,932,735,652,243
  5. Step 5: Solve for x
    x = 2,331,932,735,652,243/74,672,022.60
  6. Step 6: Final answer
    x = 31,229,001.90

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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.