Home / 207,918,455.60-311,541,760.20-131,104,017.20

Finding the Fourth Proportional to 207,918,455.60, 311,541,760.20 and 131,104,017.20

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Solution

The fourth proportional to 207,918,455.60, 311,541,760.20 and 131,104,017.20 is: 196,444,207.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,918,455.60 : 311,541,760.20 = 131,104,017.20 : x
  2. Step 2: Convert to fraction form
    207,918,455.60/311,541,760.20 = 131,104,017.20/x
  3. Step 3: Cross multiply
    207,918,455.60x = 311,541,760.20 × 131,104,017.20
  4. Step 4: Simplify right side
    207,918,455.60x = 40,844,376,287,779,072
  5. Step 5: Solve for x
    x = 40,844,376,287,779,072/207,918,455.60
  6. Step 6: Final answer
    x = 196,444,207.75

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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.