Home / 57,312,261.20-85,968,391.80-49,847,301.20

Finding the Fourth Proportional to 57,312,261.20, 85,968,391.80 and 49,847,301.20

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Solution

The fourth proportional to 57,312,261.20, 85,968,391.80 and 49,847,301.20 is: 74,770,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,312,261.20 : 85,968,391.80 = 49,847,301.20 : x
  2. Step 2: Convert to fraction form
    57,312,261.20/85,968,391.80 = 49,847,301.20/x
  3. Step 3: Cross multiply
    57,312,261.20x = 85,968,391.80 × 49,847,301.20
  4. Step 4: Simplify right side
    57,312,261.20x = 4,285,292,319,734,210.50
  5. Step 5: Solve for x
    x = 4,285,292,319,734,210.50/57,312,261.20
  6. Step 6: Final answer
    x = 74,770,951.80

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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.