Home / 79,206,947.10-118,831,415.85-28,083,635.10

Finding the Fourth Proportional to 79,206,947.10, 118,831,415.85 and 28,083,635.10

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Solution

The fourth proportional to 79,206,947.10, 118,831,415.85 and 28,083,635.10 is: 42,132,896.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,206,947.10 : 118,831,415.85 = 28,083,635.10 : x
  2. Step 2: Convert to fraction form
    79,206,947.10/118,831,415.85 = 28,083,635.10/x
  3. Step 3: Cross multiply
    79,206,947.10x = 118,831,415.85 × 28,083,635.10
  4. Step 4: Simplify right side
    79,206,947.10x = 3,337,218,121,147,756.50
  5. Step 5: Solve for x
    x = 3,337,218,121,147,756.50/79,206,947.10
  6. Step 6: Final answer
    x = 42,132,896.71

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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.