Home / 219,451,643.34-329,250,640.32-145,965,131.46

Finding the Fourth Proportional to 219,451,643.34, 329,250,640.32 and 145,965,131.46

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Solution

The fourth proportional to 219,451,643.34, 329,250,640.32 and 145,965,131.46 is: 218,996,368.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,451,643.34 : 329,250,640.32 = 145,965,131.46 : x
  2. Step 2: Convert to fraction form
    219,451,643.34/329,250,640.32 = 145,965,131.46/x
  3. Step 3: Cross multiply
    219,451,643.34x = 329,250,640.32 × 145,965,131.46
  4. Step 4: Simplify right side
    219,451,643.34x = 48,059,112,997,597,976
  5. Step 5: Solve for x
    x = 48,059,112,997,597,976/219,451,643.34
  6. Step 6: Final answer
    x = 218,996,368.70

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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.