Home / 160,128,967,282.58-220,981,349,904.78-87,870,399,961.12

Finding the Fourth Proportional to 160,128,967,282.58, 220,981,349,904.78 and 87,870,399,961.12

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Solution

The fourth proportional to 160,128,967,282.58, 220,981,349,904.78 and 87,870,399,961.12 is: 121,263,003,999.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,128,967,282.58 : 220,981,349,904.78 = 87,870,399,961.12 : x
  2. Step 2: Convert to fraction form
    160,128,967,282.58/220,981,349,904.78 = 87,870,399,961.12/x
  3. Step 3: Cross multiply
    160,128,967,282.58x = 220,981,349,904.78 × 87,870,399,961.12
  4. Step 4: Simplify right side
    160,128,967,282.58x = 19,417,719,600,081,224,597,504
  5. Step 5: Solve for x
    x = 19,417,719,600,081,224,597,504/160,128,967,282.58
  6. Step 6: Final answer
    x = 121,263,003,999.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.