Home / 208,192,993.60-311,911,576.80-169,645,806.40

Finding the Fourth Proportional to 208,192,993.60, 311,911,576.80 and 169,645,806.40

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Solution

The fourth proportional to 208,192,993.60, 311,911,576.80 and 169,645,806.40 is: 254,160,767.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,192,993.60 : 311,911,576.80 = 169,645,806.40 : x
  2. Step 2: Convert to fraction form
    208,192,993.60/311,911,576.80 = 169,645,806.40/x
  3. Step 3: Cross multiply
    208,192,993.60x = 311,911,576.80 × 169,645,806.40
  4. Step 4: Simplify right side
    208,192,993.60x = 52,914,490,971,731,536
  5. Step 5: Solve for x
    x = 52,914,490,971,731,536/208,192,993.60
  6. Step 6: Final answer
    x = 254,160,767.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.