Home / 281,904,368.40-422,757,019.80-100,157,475.60

Finding the Fourth Proportional to 281,904,368.40, 422,757,019.80 and 100,157,475.60

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Solution

The fourth proportional to 281,904,368.40, 422,757,019.80 and 100,157,475.60 is: 150,200,850.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,904,368.40 : 422,757,019.80 = 100,157,475.60 : x
  2. Step 2: Convert to fraction form
    281,904,368.40/422,757,019.80 = 100,157,475.60/x
  3. Step 3: Cross multiply
    281,904,368.40x = 422,757,019.80 × 100,157,475.60
  4. Step 4: Simplify right side
    281,904,368.40x = 42,342,275,895,347,216
  5. Step 5: Solve for x
    x = 42,342,275,895,347,216/281,904,368.40
  6. Step 6: Final answer
    x = 150,200,850.51

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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.