Home / 140,092,078.40-209,571,247.20-123,085,966.40

Finding the Fourth Proportional to 140,092,078.40, 209,571,247.20 and 123,085,966.40

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Solution

The fourth proportional to 140,092,078.40, 209,571,247.20 and 123,085,966.40 is: 184,130,892.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,092,078.40 : 209,571,247.20 = 123,085,966.40 : x
  2. Step 2: Convert to fraction form
    140,092,078.40/209,571,247.20 = 123,085,966.40/x
  3. Step 3: Cross multiply
    140,092,078.40x = 209,571,247.20 × 123,085,966.40
  4. Step 4: Simplify right side
    140,092,078.40x = 25,795,279,491,265,292
  5. Step 5: Solve for x
    x = 25,795,279,491,265,292/140,092,078.40
  6. Step 6: Final answer
    x = 184,130,892.95

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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.