Home / 133,056,211.60-199,584,317.40-75,725,318.80

Finding the Fourth Proportional to 133,056,211.60, 199,584,317.40 and 75,725,318.80

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Solution

The fourth proportional to 133,056,211.60, 199,584,317.40 and 75,725,318.80 is: 113,587,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,056,211.60 : 199,584,317.40 = 75,725,318.80 : x
  2. Step 2: Convert to fraction form
    133,056,211.60/199,584,317.40 = 75,725,318.80/x
  3. Step 3: Cross multiply
    133,056,211.60x = 199,584,317.40 × 75,725,318.80
  4. Step 4: Simplify right side
    133,056,211.60x = 15,113,586,062,595,386
  5. Step 5: Solve for x
    x = 15,113,586,062,595,386/133,056,211.60
  6. Step 6: Final answer
    x = 113,587,978.20

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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.