Home / 40,975,867.20-61,463,800.80-31,905,940.80

Finding the Fourth Proportional to 40,975,867.20, 61,463,800.80 and 31,905,940.80

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Solution

The fourth proportional to 40,975,867.20, 61,463,800.80 and 31,905,940.80 is: 47,858,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,975,867.20 : 61,463,800.80 = 31,905,940.80 : x
  2. Step 2: Convert to fraction form
    40,975,867.20/61,463,800.80 = 31,905,940.80/x
  3. Step 3: Cross multiply
    40,975,867.20x = 61,463,800.80 × 31,905,940.80
  4. Step 4: Simplify right side
    40,975,867.20x = 1,961,060,389,667,792.50
  5. Step 5: Solve for x
    x = 1,961,060,389,667,792.50/40,975,867.20
  6. Step 6: Final answer
    x = 47,858,911.20

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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.