Home / 215,410,752,007.70-323,116,128,011.55-97,864,505,863.70

Finding the Fourth Proportional to 215,410,752,007.70, 323,116,128,011.55 and 97,864,505,863.70

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Solution

The fourth proportional to 215,410,752,007.70, 323,116,128,011.55 and 97,864,505,863.70 is: 146,796,758,795.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,410,752,007.70 : 323,116,128,011.55 = 97,864,505,863.70 : x
  2. Step 2: Convert to fraction form
    215,410,752,007.70/323,116,128,011.55 = 97,864,505,863.70/x
  3. Step 3: Cross multiply
    215,410,752,007.70x = 323,116,128,011.55 × 97,864,505,863.70
  4. Step 4: Simplify right side
    215,410,752,007.70x = 31,621,600,204,442,373,718,016
  5. Step 5: Solve for x
    x = 31,621,600,204,442,373,718,016/215,410,752,007.70
  6. Step 6: Final answer
    x = 146,796,758,795.55

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1.5x scale

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.