Home / 144,747,422.40-217,121,133.60-129,441,921.60

Finding the Fourth Proportional to 144,747,422.40, 217,121,133.60 and 129,441,921.60

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Solution

The fourth proportional to 144,747,422.40, 217,121,133.60 and 129,441,921.60 is: 194,162,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,747,422.40 : 217,121,133.60 = 129,441,921.60 : x
  2. Step 2: Convert to fraction form
    144,747,422.40/217,121,133.60 = 129,441,921.60/x
  3. Step 3: Cross multiply
    144,747,422.40x = 217,121,133.60 × 129,441,921.60
  4. Step 4: Simplify right side
    144,747,422.40x = 28,104,576,753,154,324
  5. Step 5: Solve for x
    x = 28,104,576,753,154,324/144,747,422.40
  6. Step 6: Final answer
    x = 194,162,882.40

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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.