Home / 78,826,285.40-118,327,901.70-60,954,618.20

Finding the Fourth Proportional to 78,826,285.40, 118,327,901.70 and 60,954,618.20

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Solution

The fourth proportional to 78,826,285.40, 118,327,901.70 and 60,954,618.20 is: 91,500,341.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,826,285.40 : 118,327,901.70 = 60,954,618.20 : x
  2. Step 2: Convert to fraction form
    78,826,285.40/118,327,901.70 = 60,954,618.20/x
  3. Step 3: Cross multiply
    78,826,285.40x = 118,327,901.70 × 60,954,618.20
  4. Step 4: Simplify right side
    78,826,285.40x = 7,212,632,070,530,631
  5. Step 5: Solve for x
    x = 7,212,632,070,530,631/78,826,285.40
  6. Step 6: Final answer
    x = 91,500,341.97

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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.