Home / 207,357,655.89-311,034,354.78-119,863,500.84

Finding the Fourth Proportional to 207,357,655.89, 311,034,354.78 and 119,863,500.84

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Solution

The fourth proportional to 207,357,655.89, 311,034,354.78 and 119,863,500.84 is: 179,794,020.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,357,655.89 : 311,034,354.78 = 119,863,500.84 : x
  2. Step 2: Convert to fraction form
    207,357,655.89/311,034,354.78 = 119,863,500.84/x
  3. Step 3: Cross multiply
    207,357,655.89x = 311,034,354.78 × 119,863,500.84
  4. Step 4: Simplify right side
    207,357,655.89x = 37,281,666,645,441,384
  5. Step 5: Solve for x
    x = 37,281,666,645,441,384/207,357,655.89
  6. Step 6: Final answer
    x = 179,794,020.56

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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.