Home / 133,056,009.60-199,584,014.40-42,179,452.80

Finding the Fourth Proportional to 133,056,009.60, 199,584,014.40 and 42,179,452.80

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Solution

The fourth proportional to 133,056,009.60, 199,584,014.40 and 42,179,452.80 is: 63,269,179.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,056,009.60 : 199,584,014.40 = 42,179,452.80 : x
  2. Step 2: Convert to fraction form
    133,056,009.60/199,584,014.40 = 42,179,452.80/x
  3. Step 3: Cross multiply
    133,056,009.60x = 199,584,014.40 × 42,179,452.80
  4. Step 4: Simplify right side
    133,056,009.60x = 8,418,344,515,019,320
  5. Step 5: Solve for x
    x = 8,418,344,515,019,320/133,056,009.60
  6. Step 6: Final answer
    x = 63,269,179.20

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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.