Home / 103,432,243.55-155,148,365.33-45,863,405.15

Finding the Fourth Proportional to 103,432,243.55, 155,148,365.33 and 45,863,405.15

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Solution

The fourth proportional to 103,432,243.55, 155,148,365.33 and 45,863,405.15 is: 68,795,107.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,432,243.55 : 155,148,365.33 = 45,863,405.15 : x
  2. Step 2: Convert to fraction form
    103,432,243.55/155,148,365.33 = 45,863,405.15/x
  3. Step 3: Cross multiply
    103,432,243.55x = 155,148,365.33 × 45,863,405.15
  4. Step 4: Simplify right side
    103,432,243.55x = 7,115,632,337,260,686
  5. Step 5: Solve for x
    x = 7,115,632,337,260,686/103,432,243.55
  6. Step 6: Final answer
    x = 68,795,107.73

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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.