Home / 158,005,794.60-218,048,316.62-88,392,338

Finding the Fourth Proportional to 158,005,794.60, 218,048,316.62 and 88,392,338

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Solution

The fourth proportional to 158,005,794.60, 218,048,316.62 and 88,392,338 is: 121,981,605.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,005,794.60 : 218,048,316.62 = 88,392,338 : x
  2. Step 2: Convert to fraction form
    158,005,794.60/218,048,316.62 = 88,392,338/x
  3. Step 3: Cross multiply
    158,005,794.60x = 218,048,316.62 × 88,392,338
  4. Step 4: Simplify right side
    158,005,794.60x = 19,273,800,503,006,056
  5. Step 5: Solve for x
    x = 19,273,800,503,006,056/158,005,794.60
  6. Step 6: Final answer
    x = 121,981,605.50

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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.