Home / 279,936,301.60-419,904,452.40-75,457,050.40

Finding the Fourth Proportional to 279,936,301.60, 419,904,452.40 and 75,457,050.40

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Solution

The fourth proportional to 279,936,301.60, 419,904,452.40 and 75,457,050.40 is: 113,185,575.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,301.60 : 419,904,452.40 = 75,457,050.40 : x
  2. Step 2: Convert to fraction form
    279,936,301.60/419,904,452.40 = 75,457,050.40/x
  3. Step 3: Cross multiply
    279,936,301.60x = 419,904,452.40 × 75,457,050.40
  4. Step 4: Simplify right side
    279,936,301.60x = 31,684,751,427,931,200
  5. Step 5: Solve for x
    x = 31,684,751,427,931,200/279,936,301.60
  6. Step 6: Final answer
    x = 113,185,575.60

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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.