Home / 64,164,112.80-96,246,169.20-31,821,007.20

Finding the Fourth Proportional to 64,164,112.80, 96,246,169.20 and 31,821,007.20

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Solution

The fourth proportional to 64,164,112.80, 96,246,169.20 and 31,821,007.20 is: 47,731,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,164,112.80 : 96,246,169.20 = 31,821,007.20 : x
  2. Step 2: Convert to fraction form
    64,164,112.80/96,246,169.20 = 31,821,007.20/x
  3. Step 3: Cross multiply
    64,164,112.80x = 96,246,169.20 × 31,821,007.20
  4. Step 4: Simplify right side
    64,164,112.80x = 3,062,650,043,085,618.50
  5. Step 5: Solve for x
    x = 3,062,650,043,085,618.50/64,164,112.80
  6. Step 6: Final answer
    x = 47,731,510.80

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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.