Home / 68,708,418.40-103,062,627.60-61,905,973.60

Finding the Fourth Proportional to 68,708,418.40, 103,062,627.60 and 61,905,973.60

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Solution

The fourth proportional to 68,708,418.40, 103,062,627.60 and 61,905,973.60 is: 92,858,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,708,418.40 : 103,062,627.60 = 61,905,973.60 : x
  2. Step 2: Convert to fraction form
    68,708,418.40/103,062,627.60 = 61,905,973.60/x
  3. Step 3: Cross multiply
    68,708,418.40x = 103,062,627.60 × 61,905,973.60
  4. Step 4: Simplify right side
    68,708,418.40x = 6,380,192,303,352,231
  5. Step 5: Solve for x
    x = 6,380,192,303,352,231/68,708,418.40
  6. Step 6: Final answer
    x = 92,858,960.40

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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.