Home / 491,833,401.45-737,750,102.18-128,327,757.45

Finding the Fourth Proportional to 491,833,401.45, 737,750,102.18 and 128,327,757.45

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Solution

The fourth proportional to 491,833,401.45, 737,750,102.18 and 128,327,757.45 is: 192,491,636.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,833,401.45 : 737,750,102.18 = 128,327,757.45 : x
  2. Step 2: Convert to fraction form
    491,833,401.45/737,750,102.18 = 128,327,757.45/x
  3. Step 3: Cross multiply
    491,833,401.45x = 737,750,102.18 × 128,327,757.45
  4. Step 4: Simplify right side
    491,833,401.45x = 94,673,816,170,626,112
  5. Step 5: Solve for x
    x = 94,673,816,170,626,112/491,833,401.45
  6. Step 6: Final answer
    x = 192,491,636.18

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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.