Home / 84,628,730.80-126,985,086.60-33,512,417.20

Finding the Fourth Proportional to 84,628,730.80, 126,985,086.60 and 33,512,417.20

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Solution

The fourth proportional to 84,628,730.80, 126,985,086.60 and 33,512,417.20 is: 50,285,253.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,628,730.80 : 126,985,086.60 = 33,512,417.20 : x
  2. Step 2: Convert to fraction form
    84,628,730.80/126,985,086.60 = 33,512,417.20/x
  3. Step 3: Cross multiply
    84,628,730.80x = 126,985,086.60 × 33,512,417.20
  4. Step 4: Simplify right side
    84,628,730.80x = 4,255,577,200,317,329
  5. Step 5: Solve for x
    x = 4,255,577,200,317,329/84,628,730.80
  6. Step 6: Final answer
    x = 50,285,253.72

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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.