Home / 208,831,825.20-313,247,737.80-177,926,890.80

Finding the Fourth Proportional to 208,831,825.20, 313,247,737.80 and 177,926,890.80

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Solution

The fourth proportional to 208,831,825.20, 313,247,737.80 and 177,926,890.80 is: 266,890,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,831,825.20 : 313,247,737.80 = 177,926,890.80 : x
  2. Step 2: Convert to fraction form
    208,831,825.20/313,247,737.80 = 177,926,890.80/x
  3. Step 3: Cross multiply
    208,831,825.20x = 313,247,737.80 × 177,926,890.80
  4. Step 4: Simplify right side
    208,831,825.20x = 55,735,196,036,887,640
  5. Step 5: Solve for x
    x = 55,735,196,036,887,640/208,831,825.20
  6. Step 6: Final answer
    x = 266,890,336.20

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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.