Home / 158,005,799.08-218,048,322.81-88,392,342.52

Finding the Fourth Proportional to 158,005,799.08, 218,048,322.81 and 88,392,342.52

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Solution

The fourth proportional to 158,005,799.08, 218,048,322.81 and 88,392,342.52 is: 121,981,611.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,005,799.08 : 218,048,322.81 = 88,392,342.52 : x
  2. Step 2: Convert to fraction form
    158,005,799.08/218,048,322.81 = 88,392,342.52/x
  3. Step 3: Cross multiply
    158,005,799.08x = 218,048,322.81 × 88,392,342.52
  4. Step 4: Simplify right side
    158,005,799.08x = 19,273,802,035,733,048
  5. Step 5: Solve for x
    x = 19,273,802,035,733,048/158,005,799.08
  6. Step 6: Final answer
    x = 121,981,611.74

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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.