Home / 78,735,340.40-118,103,010.60-44,297,963.60

Finding the Fourth Proportional to 78,735,340.40, 118,103,010.60 and 44,297,963.60

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Solution

The fourth proportional to 78,735,340.40, 118,103,010.60 and 44,297,963.60 is: 66,446,945.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,735,340.40 : 118,103,010.60 = 44,297,963.60 : x
  2. Step 2: Convert to fraction form
    78,735,340.40/118,103,010.60 = 44,297,963.60/x
  3. Step 3: Cross multiply
    78,735,340.40x = 118,103,010.60 × 44,297,963.60
  4. Step 4: Simplify right side
    78,735,340.40x = 5,231,722,864,609,214
  5. Step 5: Solve for x
    x = 5,231,722,864,609,214/78,735,340.40
  6. Step 6: Final answer
    x = 66,446,945.40

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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.