Home / 62,651,857.20-93,977,785.80-45,645,745.20

Finding the Fourth Proportional to 62,651,857.20, 93,977,785.80 and 45,645,745.20

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Solution

The fourth proportional to 62,651,857.20, 93,977,785.80 and 45,645,745.20 is: 68,468,617.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,651,857.20 : 93,977,785.80 = 45,645,745.20 : x
  2. Step 2: Convert to fraction form
    62,651,857.20/93,977,785.80 = 45,645,745.20/x
  3. Step 3: Cross multiply
    62,651,857.20x = 93,977,785.80 × 45,645,745.20
  4. Step 4: Simplify right side
    62,651,857.20x = 4,289,686,065,086,978.50
  5. Step 5: Solve for x
    x = 4,289,686,065,086,978.50/62,651,857.20
  6. Step 6: Final answer
    x = 68,468,617.80

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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.