Home / 57,472,745.20-86,209,117.80-51,237,170.80

Finding the Fourth Proportional to 57,472,745.20, 86,209,117.80 and 51,237,170.80

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Solution

The fourth proportional to 57,472,745.20, 86,209,117.80 and 51,237,170.80 is: 76,855,756.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,472,745.20 : 86,209,117.80 = 51,237,170.80 : x
  2. Step 2: Convert to fraction form
    57,472,745.20/86,209,117.80 = 51,237,170.80/x
  3. Step 3: Cross multiply
    57,472,745.20x = 86,209,117.80 × 51,237,170.80
  4. Step 4: Simplify right side
    57,472,745.20x = 4,417,111,293,235,920
  5. Step 5: Solve for x
    x = 4,417,111,293,235,920/57,472,745.20
  6. Step 6: Final answer
    x = 76,855,756.20

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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.