Home / 158,274,599.16-218,416,549.14-88,662,471.72

Finding the Fourth Proportional to 158,274,599.16, 218,416,549.14 and 88,662,471.72

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Solution

The fourth proportional to 158,274,599.16, 218,416,549.14 and 88,662,471.72 is: 122,352,867.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,274,599.16 : 218,416,549.14 = 88,662,471.72 : x
  2. Step 2: Convert to fraction form
    158,274,599.16/218,416,549.14 = 88,662,471.72/x
  3. Step 3: Cross multiply
    158,274,599.16x = 218,416,549.14 × 88,662,471.72
  4. Step 4: Simplify right side
    158,274,599.16x = 19,365,351,111,305,240
  5. Step 5: Solve for x
    x = 19,365,351,111,305,240/158,274,599.16
  6. Step 6: Final answer
    x = 122,352,867.83

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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.