Home / 158,005,783.08-218,048,300.73-88,392,326.49

Finding the Fourth Proportional to 158,005,783.08, 218,048,300.73 and 88,392,326.49

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Solution

The fourth proportional to 158,005,783.08, 218,048,300.73 and 88,392,326.49 is: 121,981,589.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,005,783.08 : 218,048,300.73 = 88,392,326.49 : x
  2. Step 2: Convert to fraction form
    158,005,783.08/218,048,300.73 = 88,392,326.49/x
  3. Step 3: Cross multiply
    158,005,783.08x = 218,048,300.73 × 88,392,326.49
  4. Step 4: Simplify right side
    158,005,783.08x = 19,273,796,588,715,864
  5. Step 5: Solve for x
    x = 19,273,796,588,715,864/158,005,783.08
  6. Step 6: Final answer
    x = 121,981,589.62

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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.