Home / 211,409,306.11-291,751,476.90-122,099,591.17

Finding the Fourth Proportional to 211,409,306.11, 291,751,476.90 and 122,099,591.17

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Solution

The fourth proportional to 211,409,306.11, 291,751,476.90 and 122,099,591.17 is: 168,501,267.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,409,306.11 : 291,751,476.90 = 122,099,591.17 : x
  2. Step 2: Convert to fraction form
    211,409,306.11/291,751,476.90 = 122,099,591.17/x
  3. Step 3: Cross multiply
    211,409,306.11x = 291,751,476.90 × 122,099,591.17
  4. Step 4: Simplify right side
    211,409,306.11x = 35,622,736,052,640,516
  5. Step 5: Solve for x
    x = 35,622,736,052,640,516/211,409,306.11
  6. Step 6: Final answer
    x = 168,501,267.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.