Home / 99,850,149.20-149,775,223.80-83,725,835.60

Finding the Fourth Proportional to 99,850,149.20, 149,775,223.80 and 83,725,835.60

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Solution

The fourth proportional to 99,850,149.20, 149,775,223.80 and 83,725,835.60 is: 125,588,753.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,850,149.20 : 149,775,223.80 = 83,725,835.60 : x
  2. Step 2: Convert to fraction form
    99,850,149.20/149,775,223.80 = 83,725,835.60/x
  3. Step 3: Cross multiply
    99,850,149.20x = 149,775,223.80 × 83,725,835.60
  4. Step 4: Simplify right side
    99,850,149.20x = 12,540,055,764,832,008
  5. Step 5: Solve for x
    x = 12,540,055,764,832,008/99,850,149.20
  6. Step 6: Final answer
    x = 125,588,753.40

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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.