Home / 260,815,984.75-359,934,687.98-143,345,478.79

Finding the Fourth Proportional to 260,815,984.75, 359,934,687.98 and 143,345,478.79

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Solution

The fourth proportional to 260,815,984.75, 359,934,687.98 and 143,345,478.79 is: 197,821,503.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,815,984.75 : 359,934,687.98 = 143,345,478.79 : x
  2. Step 2: Convert to fraction form
    260,815,984.75/359,934,687.98 = 143,345,478.79/x
  3. Step 3: Cross multiply
    260,815,984.75x = 359,934,687.98 × 143,345,478.79
  4. Step 4: Simplify right side
    260,815,984.75x = 51,595,010,180,543,336
  5. Step 5: Solve for x
    x = 51,595,010,180,543,336/260,815,984.75
  6. Step 6: Final answer
    x = 197,821,503.27

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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.