Home / 74,367,200.40-111,550,800.60-39,929,823.60

Finding the Fourth Proportional to 74,367,200.40, 111,550,800.60 and 39,929,823.60

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Solution

The fourth proportional to 74,367,200.40, 111,550,800.60 and 39,929,823.60 is: 59,894,735.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,367,200.40 : 111,550,800.60 = 39,929,823.60 : x
  2. Step 2: Convert to fraction form
    74,367,200.40/111,550,800.60 = 39,929,823.60/x
  3. Step 3: Cross multiply
    74,367,200.40x = 111,550,800.60 × 39,929,823.60
  4. Step 4: Simplify right side
    74,367,200.40x = 4,454,203,790,396,774
  5. Step 5: Solve for x
    x = 4,454,203,790,396,774/74,367,200.40
  6. Step 6: Final answer
    x = 59,894,735.40

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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.