Home / 193,540,672.40-290,311,008.60-178,088,205.20

Finding the Fourth Proportional to 193,540,672.40, 290,311,008.60 and 178,088,205.20

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Solution

The fourth proportional to 193,540,672.40, 290,311,008.60 and 178,088,205.20 is: 267,132,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,540,672.40 : 290,311,008.60 = 178,088,205.20 : x
  2. Step 2: Convert to fraction form
    193,540,672.40/290,311,008.60 = 178,088,205.20/x
  3. Step 3: Cross multiply
    193,540,672.40x = 290,311,008.60 × 178,088,205.20
  4. Step 4: Simplify right side
    193,540,672.40x = 51,700,966,471,375,768
  5. Step 5: Solve for x
    x = 51,700,966,471,375,768/193,540,672.40
  6. Step 6: Final answer
    x = 267,132,307.80

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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.