Home / 216,660,415.49-298,991,952.92-117,541,162.89

Finding the Fourth Proportional to 216,660,415.49, 298,991,952.92 and 117,541,162.89

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Solution

The fourth proportional to 216,660,415.49, 298,991,952.92 and 117,541,162.89 is: 162,207,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,660,415.49 : 298,991,952.92 = 117,541,162.89 : x
  2. Step 2: Convert to fraction form
    216,660,415.49/298,991,952.92 = 117,541,162.89/x
  3. Step 3: Cross multiply
    216,660,415.49x = 298,991,952.92 × 117,541,162.89
  4. Step 4: Simplify right side
    216,660,415.49x = 35,143,861,840,381,228
  5. Step 5: Solve for x
    x = 35,143,861,840,381,228/216,660,415.49
  6. Step 6: Final answer
    x = 162,207,119.20

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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.