Home / 207,699,286.14-311,021,575.02-124,648,761.24

Finding the Fourth Proportional to 207,699,286.14, 311,021,575.02 and 124,648,761.24

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Solution

The fourth proportional to 207,699,286.14, 311,021,575.02 and 124,648,761.24 is: 186,656,655.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,699,286.14 : 311,021,575.02 = 124,648,761.24 : x
  2. Step 2: Convert to fraction form
    207,699,286.14/311,021,575.02 = 124,648,761.24/x
  3. Step 3: Cross multiply
    207,699,286.14x = 311,021,575.02 × 124,648,761.24
  4. Step 4: Simplify right side
    207,699,286.14x = 38,768,454,045,156,728
  5. Step 5: Solve for x
    x = 38,768,454,045,156,728/207,699,286.14
  6. Step 6: Final answer
    x = 186,656,655.23

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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.