Home / 100,509,072.40-150,763,608.60-43,007,156.20

Finding the Fourth Proportional to 100,509,072.40, 150,763,608.60 and 43,007,156.20

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Solution

The fourth proportional to 100,509,072.40, 150,763,608.60 and 43,007,156.20 is: 64,510,734.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,509,072.40 : 150,763,608.60 = 43,007,156.20 : x
  2. Step 2: Convert to fraction form
    100,509,072.40/150,763,608.60 = 43,007,156.20/x
  3. Step 3: Cross multiply
    100,509,072.40x = 150,763,608.60 × 43,007,156.20
  4. Step 4: Simplify right side
    100,509,072.40x = 6,483,914,064,335,864
  5. Step 5: Solve for x
    x = 6,483,914,064,335,864/100,509,072.40
  6. Step 6: Final answer
    x = 64,510,734.30

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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.