Home / 57,312,019.20-85,968,028.80-49,847,059.20

Finding the Fourth Proportional to 57,312,019.20, 85,968,028.80 and 49,847,059.20

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Solution

The fourth proportional to 57,312,019.20, 85,968,028.80 and 49,847,059.20 is: 74,770,588.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,312,019.20 : 85,968,028.80 = 49,847,059.20 : x
  2. Step 2: Convert to fraction form
    57,312,019.20/85,968,028.80 = 49,847,059.20/x
  3. Step 3: Cross multiply
    57,312,019.20x = 85,968,028.80 × 49,847,059.20
  4. Step 4: Simplify right side
    57,312,019.20x = 4,285,253,420,900,905
  5. Step 5: Solve for x
    x = 4,285,253,420,900,905/57,312,019.20
  6. Step 6: Final answer
    x = 74,770,588.80

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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.