Home / 217,223,486.70-325,835,230.05-80,880,657.90

Finding the Fourth Proportional to 217,223,486.70, 325,835,230.05 and 80,880,657.90

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Solution

The fourth proportional to 217,223,486.70, 325,835,230.05 and 80,880,657.90 is: 121,320,986.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,223,486.70 : 325,835,230.05 = 80,880,657.90 : x
  2. Step 2: Convert to fraction form
    217,223,486.70/325,835,230.05 = 80,880,657.90/x
  3. Step 3: Cross multiply
    217,223,486.70x = 325,835,230.05 × 80,880,657.90
  4. Step 4: Simplify right side
    217,223,486.70x = 26,353,767,773,441,852
  5. Step 5: Solve for x
    x = 26,353,767,773,441,852/217,223,486.70
  6. Step 6: Final answer
    x = 121,320,986.85

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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.