Home / 78,826,251.40-118,327,850.70-60,954,584.20

Finding the Fourth Proportional to 78,826,251.40, 118,327,850.70 and 60,954,584.20

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Solution

The fourth proportional to 78,826,251.40, 118,327,850.70 and 60,954,584.20 is: 91,500,290.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,826,251.40 : 118,327,850.70 = 60,954,584.20 : x
  2. Step 2: Convert to fraction form
    78,826,251.40/118,327,850.70 = 60,954,584.20/x
  3. Step 3: Cross multiply
    78,826,251.40x = 118,327,850.70 × 60,954,584.20
  4. Step 4: Simplify right side
    78,826,251.40x = 7,212,624,938,698,179
  5. Step 5: Solve for x
    x = 7,212,624,938,698,179/78,826,251.40
  6. Step 6: Final answer
    x = 91,500,290.96

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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.