Home / 154,954,378.82-213,830,143.44-88,827,469.22

Finding the Fourth Proportional to 154,954,378.82, 213,830,143.44 and 88,827,469.22

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Solution

The fourth proportional to 154,954,378.82, 213,830,143.44 and 88,827,469.22 is: 122,577,952.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,954,378.82 : 213,830,143.44 = 88,827,469.22 : x
  2. Step 2: Convert to fraction form
    154,954,378.82/213,830,143.44 = 88,827,469.22/x
  3. Step 3: Cross multiply
    154,954,378.82x = 213,830,143.44 × 88,827,469.22
  4. Step 4: Simplify right side
    154,954,378.82x = 18,993,990,484,724,784
  5. Step 5: Solve for x
    x = 18,993,990,484,724,784/154,954,378.82
  6. Step 6: Final answer
    x = 122,577,952.49

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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.