Home / 78,826,280.40-118,327,894.20-60,954,613.20

Finding the Fourth Proportional to 78,826,280.40, 118,327,894.20 and 60,954,613.20

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Solution

The fourth proportional to 78,826,280.40, 118,327,894.20 and 60,954,613.20 is: 91,500,334.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,826,280.40 : 118,327,894.20 = 60,954,613.20 : x
  2. Step 2: Convert to fraction form
    78,826,280.40/118,327,894.20 = 60,954,613.20/x
  3. Step 3: Cross multiply
    78,826,280.40x = 118,327,894.20 × 60,954,613.20
  4. Step 4: Simplify right side
    78,826,280.40x = 7,212,631,021,731,524
  5. Step 5: Solve for x
    x = 7,212,631,021,731,524/78,826,280.40
  6. Step 6: Final answer
    x = 91,500,334.47

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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.