Home / 100,940,411.20-151,304,328.60-39,505,831.60

Finding the Fourth Proportional to 100,940,411.20, 151,304,328.60 and 39,505,831.60

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Solution

The fourth proportional to 100,940,411.20, 151,304,328.60 and 39,505,831.60 is: 59,217,148.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,940,411.20 : 151,304,328.60 = 39,505,831.60 : x
  2. Step 2: Convert to fraction form
    100,940,411.20/151,304,328.60 = 39,505,831.60/x
  3. Step 3: Cross multiply
    100,940,411.20x = 151,304,328.60 × 39,505,831.60
  4. Step 4: Simplify right side
    100,940,411.20x = 5,977,403,326,022,664
  5. Step 5: Solve for x
    x = 5,977,403,326,022,664/100,940,411.20
  6. Step 6: Final answer
    x = 59,217,148.56

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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.