Home / 160,128,967,282.24-220,981,349,904.34-87,870,399,960.81

Finding the Fourth Proportional to 160,128,967,282.24, 220,981,349,904.34 and 87,870,399,960.81

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Solution

The fourth proportional to 160,128,967,282.24, 220,981,349,904.34 and 87,870,399,960.81 is: 121,263,003,999.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,128,967,282.24 : 220,981,349,904.34 = 87,870,399,960.81 : x
  2. Step 2: Convert to fraction form
    160,128,967,282.24/220,981,349,904.34 = 87,870,399,960.81/x
  3. Step 3: Cross multiply
    160,128,967,282.24x = 220,981,349,904.34 × 87,870,399,960.81
  4. Step 4: Simplify right side
    160,128,967,282.24x = 19,417,719,599,972,952,834,048
  5. Step 5: Solve for x
    x = 19,417,719,599,972,952,834,048/160,128,967,282.24
  6. Step 6: Final answer
    x = 121,263,003,999.44

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1.5x scale

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.