Home / 209,626,591.50-289,280,821.50-114,257,922.12

Finding the Fourth Proportional to 209,626,591.50, 289,280,821.50 and 114,257,922.12

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Solution

The fourth proportional to 209,626,591.50, 289,280,821.50 and 114,257,922.12 is: 157,673,820.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,626,591.50 : 289,280,821.50 = 114,257,922.12 : x
  2. Step 2: Convert to fraction form
    209,626,591.50/289,280,821.50 = 114,257,922.12/x
  3. Step 3: Cross multiply
    209,626,591.50x = 289,280,821.50 × 114,257,922.12
  4. Step 4: Simplify right side
    209,626,591.50x = 33,052,625,573,756,624
  5. Step 5: Solve for x
    x = 33,052,625,573,756,624/209,626,591.50
  6. Step 6: Final answer
    x = 157,673,820.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.