Home / 80,741,829.90-121,114,460.43-28,929,807.30

Finding the Fourth Proportional to 80,741,829.90, 121,114,460.43 and 28,929,807.30

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Solution

The fourth proportional to 80,741,829.90, 121,114,460.43 and 28,929,807.30 is: 43,395,325.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,741,829.90 : 121,114,460.43 = 28,929,807.30 : x
  2. Step 2: Convert to fraction form
    80,741,829.90/121,114,460.43 = 28,929,807.30/x
  3. Step 3: Cross multiply
    80,741,829.90x = 121,114,460.43 × 28,929,807.30
  4. Step 4: Simplify right side
    80,741,829.90x = 3,503,818,001,483,375.50
  5. Step 5: Solve for x
    x = 3,503,818,001,483,375.50/80,741,829.90
  6. Step 6: Final answer
    x = 43,395,325.64

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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.