Home / 103,800,976.50-155,701,616.25-42,390,135.96

Finding the Fourth Proportional to 103,800,976.50, 155,701,616.25 and 42,390,135.96

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Solution

The fourth proportional to 103,800,976.50, 155,701,616.25 and 42,390,135.96 is: 63,585,265.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,800,976.50 : 155,701,616.25 = 42,390,135.96 : x
  2. Step 2: Convert to fraction form
    103,800,976.50/155,701,616.25 = 42,390,135.96/x
  3. Step 3: Cross multiply
    103,800,976.50x = 155,701,616.25 × 42,390,135.96
  4. Step 4: Simplify right side
    103,800,976.50x = 6,600,212,682,029,245
  5. Step 5: Solve for x
    x = 6,600,212,682,029,245/103,800,976.50
  6. Step 6: Final answer
    x = 63,585,265.81

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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.