Home / 158,005,626.32-218,048,083.20-88,392,169.76

Finding the Fourth Proportional to 158,005,626.32, 218,048,083.20 and 88,392,169.76

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Solution

The fourth proportional to 158,005,626.32, 218,048,083.20 and 88,392,169.76 is: 121,981,372.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,005,626.32 : 218,048,083.20 = 88,392,169.76 : x
  2. Step 2: Convert to fraction form
    158,005,626.32/218,048,083.20 = 88,392,169.76/x
  3. Step 3: Cross multiply
    158,005,626.32x = 218,048,083.20 × 88,392,169.76
  4. Step 4: Simplify right side
    158,005,626.32x = 19,273,743,186,057,004
  5. Step 5: Solve for x
    x = 19,273,743,186,057,004/158,005,626.32
  6. Step 6: Final answer
    x = 121,981,372.66

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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.