Home / 100,509,028.40-150,763,542.60-43,007,112.20

Finding the Fourth Proportional to 100,509,028.40, 150,763,542.60 and 43,007,112.20

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Solution

The fourth proportional to 100,509,028.40, 150,763,542.60 and 43,007,112.20 is: 64,510,668.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,509,028.40 : 150,763,542.60 = 43,007,112.20 : x
  2. Step 2: Convert to fraction form
    100,509,028.40/150,763,542.60 = 43,007,112.20/x
  3. Step 3: Cross multiply
    100,509,028.40x = 150,763,542.60 × 43,007,112.20
  4. Step 4: Simplify right side
    100,509,028.40x = 6,483,904,592,267,680
  5. Step 5: Solve for x
    x = 6,483,904,592,267,680/100,509,028.40
  6. Step 6: Final answer
    x = 64,510,668.30

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1.5x scale

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.