Home / 99,987,140.28-149,949,696.32-35,275,812.60

Finding the Fourth Proportional to 99,987,140.28, 149,949,696.32 and 35,275,812.60

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Solution

The fourth proportional to 99,987,140.28, 149,949,696.32 and 35,275,812.60 is: 52,902,777.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,987,140.28 : 149,949,696.32 = 35,275,812.60 : x
  2. Step 2: Convert to fraction form
    99,987,140.28/149,949,696.32 = 35,275,812.60/x
  3. Step 3: Cross multiply
    99,987,140.28x = 149,949,696.32 × 35,275,812.60
  4. Step 4: Simplify right side
    99,987,140.28x = 5,289,597,386,811,230
  5. Step 5: Solve for x
    x = 5,289,597,386,811,230/99,987,140.28
  6. Step 6: Final answer
    x = 52,902,777.02

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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.