Home / 208,193,089.60-311,911,720.80-169,645,902.40

Finding the Fourth Proportional to 208,193,089.60, 311,911,720.80 and 169,645,902.40

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Solution

The fourth proportional to 208,193,089.60, 311,911,720.80 and 169,645,902.40 is: 254,160,911.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,193,089.60 : 311,911,720.80 = 169,645,902.40 : x
  2. Step 2: Convert to fraction form
    208,193,089.60/311,911,720.80 = 169,645,902.40/x
  3. Step 3: Cross multiply
    208,193,089.60x = 311,911,720.80 × 169,645,902.40
  4. Step 4: Simplify right side
    208,193,089.60x = 52,914,545,344,252,856
  5. Step 5: Solve for x
    x = 52,914,545,344,252,856/208,193,089.60
  6. Step 6: Final answer
    x = 254,160,911.13

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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.