Home / 260,648,911.20-391,193,816.40-107,404,946.40

Finding the Fourth Proportional to 260,648,911.20, 391,193,816.40 and 107,404,946.40

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Solution

The fourth proportional to 260,648,911.20, 391,193,816.40 and 107,404,946.40 is: 161,198,259.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,648,911.20 : 391,193,816.40 = 107,404,946.40 : x
  2. Step 2: Convert to fraction form
    260,648,911.20/391,193,816.40 = 107,404,946.40/x
  3. Step 3: Cross multiply
    260,648,911.20x = 391,193,816.40 × 107,404,946.40
  4. Step 4: Simplify right side
    260,648,911.20x = 42,016,150,882,453,440
  5. Step 5: Solve for x
    x = 42,016,150,882,453,440/260,648,911.20
  6. Step 6: Final answer
    x = 161,198,259.72

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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.