Home / 78,735,335.40-118,103,003.10-44,297,958.60

Finding the Fourth Proportional to 78,735,335.40, 118,103,003.10 and 44,297,958.60

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Solution

The fourth proportional to 78,735,335.40, 118,103,003.10 and 44,297,958.60 is: 66,446,937.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,735,335.40 : 118,103,003.10 = 44,297,958.60 : x
  2. Step 2: Convert to fraction form
    78,735,335.40/118,103,003.10 = 44,297,958.60/x
  3. Step 3: Cross multiply
    78,735,335.40x = 118,103,003.10 × 44,297,958.60
  4. Step 4: Simplify right side
    78,735,335.40x = 5,231,721,941,859,472
  5. Step 5: Solve for x
    x = 5,231,721,941,859,472/78,735,335.40
  6. Step 6: Final answer
    x = 66,446,937.90

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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.