Home / 108,621,745.20-163,121,574.60-57,603,409.20

Finding the Fourth Proportional to 108,621,745.20, 163,121,574.60 and 57,603,409.20

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Solution

The fourth proportional to 108,621,745.20, 163,121,574.60 and 57,603,409.20 is: 86,505,319.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,621,745.20 : 163,121,574.60 = 57,603,409.20 : x
  2. Step 2: Convert to fraction form
    108,621,745.20/163,121,574.60 = 57,603,409.20/x
  3. Step 3: Cross multiply
    108,621,745.20x = 163,121,574.60 × 57,603,409.20
  4. Step 4: Simplify right side
    108,621,745.20x = 9,396,358,811,032,126
  5. Step 5: Solve for x
    x = 9,396,358,811,032,126/108,621,745.20
  6. Step 6: Final answer
    x = 86,505,319.85

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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.