Home / 216,660,423.28-298,991,963.67-117,541,170.67

Finding the Fourth Proportional to 216,660,423.28, 298,991,963.67 and 117,541,170.67

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Solution

The fourth proportional to 216,660,423.28, 298,991,963.67 and 117,541,170.67 is: 162,207,129.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,660,423.28 : 298,991,963.67 = 117,541,170.67 : x
  2. Step 2: Convert to fraction form
    216,660,423.28/298,991,963.67 = 117,541,170.67/x
  3. Step 3: Cross multiply
    216,660,423.28x = 298,991,963.67 × 117,541,170.67
  4. Step 4: Simplify right side
    216,660,423.28x = 35,143,865,430,693,912
  5. Step 5: Solve for x
    x = 35,143,865,430,693,912/216,660,423.28
  6. Step 6: Final answer
    x = 162,207,129.93

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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.