Home / 217,241,667.90-326,240,415.45-115,204,995.90

Finding the Fourth Proportional to 217,241,667.90, 326,240,415.45 and 115,204,995.90

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Solution

The fourth proportional to 217,241,667.90, 326,240,415.45 and 115,204,995.90 is: 173,007,904.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,241,667.90 : 326,240,415.45 = 115,204,995.90 : x
  2. Step 2: Convert to fraction form
    217,241,667.90/326,240,415.45 = 115,204,995.90/x
  3. Step 3: Cross multiply
    217,241,667.90x = 326,240,415.45 × 115,204,995.90
  4. Step 4: Simplify right side
    217,241,667.90x = 37,584,525,724,331,544
  5. Step 5: Solve for x
    x = 37,584,525,724,331,544/217,241,667.90
  6. Step 6: Final answer
    x = 173,007,904.46

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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.