Home / 325,865,115.60-488,159,944.20-196,087,223.40

Finding the Fourth Proportional to 325,865,115.60, 488,159,944.20 and 196,087,223.40

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Solution

The fourth proportional to 325,865,115.60, 488,159,944.20 and 196,087,223.40 is: 293,747,085.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,865,115.60 : 488,159,944.20 = 196,087,223.40 : x
  2. Step 2: Convert to fraction form
    325,865,115.60/488,159,944.20 = 196,087,223.40/x
  3. Step 3: Cross multiply
    325,865,115.60x = 488,159,944.20 × 196,087,223.40
  4. Step 4: Simplify right side
    325,865,115.60x = 95,721,928,033,276,928
  5. Step 5: Solve for x
    x = 95,721,928,033,276,928/325,865,115.60
  6. Step 6: Final answer
    x = 293,747,085.68

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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.