Home / 208,193,096.60-311,911,731.30-169,645,909.40

Finding the Fourth Proportional to 208,193,096.60, 311,911,731.30 and 169,645,909.40

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Solution

The fourth proportional to 208,193,096.60, 311,911,731.30 and 169,645,909.40 is: 254,160,921.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,193,096.60 : 311,911,731.30 = 169,645,909.40 : x
  2. Step 2: Convert to fraction form
    208,193,096.60/311,911,731.30 = 169,645,909.40/x
  3. Step 3: Cross multiply
    208,193,096.60x = 311,911,731.30 × 169,645,909.40
  4. Step 4: Simplify right side
    208,193,096.60x = 52,914,549,308,916,952
  5. Step 5: Solve for x
    x = 52,914,549,308,916,952/208,193,096.60
  6. Step 6: Final answer
    x = 254,160,921.63

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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.