Home / 205,476,358.48-308,220,147.78-59,906,401.72

Finding the Fourth Proportional to 205,476,358.48, 308,220,147.78 and 59,906,401.72

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Solution

The fourth proportional to 205,476,358.48, 308,220,147.78 and 59,906,401.72 is: 89,861,238.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,476,358.48 : 308,220,147.78 = 59,906,401.72 : x
  2. Step 2: Convert to fraction form
    205,476,358.48/308,220,147.78 = 59,906,401.72/x
  3. Step 3: Cross multiply
    205,476,358.48x = 308,220,147.78 × 59,906,401.72
  4. Step 4: Simplify right side
    205,476,358.48x = 18,464,359,991,106,444
  5. Step 5: Solve for x
    x = 18,464,359,991,106,444/205,476,358.48
  6. Step 6: Final answer
    x = 89,861,238.19

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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.