Home / 79,206,962.60-118,831,439.10-28,083,650.60

Finding the Fourth Proportional to 79,206,962.60, 118,831,439.10 and 28,083,650.60

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Solution

The fourth proportional to 79,206,962.60, 118,831,439.10 and 28,083,650.60 is: 42,132,919.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,206,962.60 : 118,831,439.10 = 28,083,650.60 : x
  2. Step 2: Convert to fraction form
    79,206,962.60/118,831,439.10 = 28,083,650.60/x
  3. Step 3: Cross multiply
    79,206,962.60x = 118,831,439.10 × 28,083,650.60
  4. Step 4: Simplify right side
    79,206,962.60x = 3,337,220,615,979,578.50
  5. Step 5: Solve for x
    x = 3,337,220,615,979,578.50/79,206,962.60
  6. Step 6: Final answer
    x = 42,132,919.97

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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.