Home / 118,719,020.40-178,078,530.60-50,568,601.20

Finding the Fourth Proportional to 118,719,020.40, 178,078,530.60 and 50,568,601.20

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Solution

The fourth proportional to 118,719,020.40, 178,078,530.60 and 50,568,601.20 is: 75,852,901.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,719,020.40 : 178,078,530.60 = 50,568,601.20 : x
  2. Step 2: Convert to fraction form
    118,719,020.40/178,078,530.60 = 50,568,601.20/x
  3. Step 3: Cross multiply
    118,719,020.40x = 178,078,530.60 × 50,568,601.20
  4. Step 4: Simplify right side
    118,719,020.40x = 9,005,182,196,193,397
  5. Step 5: Solve for x
    x = 9,005,182,196,193,397/118,719,020.40
  6. Step 6: Final answer
    x = 75,852,901.80

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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.