Home / 195,305,631.84-292,909,109.04-72,416,410.56

Finding the Fourth Proportional to 195,305,631.84, 292,909,109.04 and 72,416,410.56

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Solution

The fourth proportional to 195,305,631.84, 292,909,109.04 and 72,416,410.56 is: 108,606,321.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,305,631.84 : 292,909,109.04 = 72,416,410.56 : x
  2. Step 2: Convert to fraction form
    195,305,631.84/292,909,109.04 = 72,416,410.56/x
  3. Step 3: Cross multiply
    195,305,631.84x = 292,909,109.04 × 72,416,410.56
  4. Step 4: Simplify right side
    195,305,631.84x = 21,211,426,297,004,448
  5. Step 5: Solve for x
    x = 21,211,426,297,004,448/195,305,631.84
  6. Step 6: Final answer
    x = 108,606,321.78

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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.