Home / 207,699,256.11-311,021,530.06-124,648,731.17

Finding the Fourth Proportional to 207,699,256.11, 311,021,530.06 and 124,648,731.17

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Solution

The fourth proportional to 207,699,256.11, 311,021,530.06 and 124,648,731.17 is: 186,656,610.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,699,256.11 : 311,021,530.06 = 124,648,731.17 : x
  2. Step 2: Convert to fraction form
    207,699,256.11/311,021,530.06 = 124,648,731.17/x
  3. Step 3: Cross multiply
    207,699,256.11x = 311,021,530.06 × 124,648,731.17
  4. Step 4: Simplify right side
    207,699,256.11x = 38,768,439,088,531,016
  5. Step 5: Solve for x
    x = 38,768,439,088,531,016/207,699,256.11
  6. Step 6: Final answer
    x = 186,656,610.21

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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.