Home / 207,699,253.11-311,021,525.57-124,648,728.17

Finding the Fourth Proportional to 207,699,253.11, 311,021,525.57 and 124,648,728.17

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Solution

The fourth proportional to 207,699,253.11, 311,021,525.57 and 124,648,728.17 is: 186,656,605.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,699,253.11 : 311,021,525.57 = 124,648,728.17 : x
  2. Step 2: Convert to fraction form
    207,699,253.11/311,021,525.57 = 124,648,728.17/x
  3. Step 3: Cross multiply
    207,699,253.11x = 311,021,525.57 × 124,648,728.17
  4. Step 4: Simplify right side
    207,699,253.11x = 38,768,437,593,615,288
  5. Step 5: Solve for x
    x = 38,768,437,593,615,288/207,699,253.11
  6. Step 6: Final answer
    x = 186,656,605.71

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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.