Home / 205,147,835.26-307,225,654.11-117,443,346.63

Finding the Fourth Proportional to 205,147,835.26, 307,225,654.11 and 117,443,346.63

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Solution

The fourth proportional to 205,147,835.26, 307,225,654.11 and 117,443,346.63 is: 175,881,012.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,147,835.26 : 307,225,654.11 = 117,443,346.63 : x
  2. Step 2: Convert to fraction form
    205,147,835.26/307,225,654.11 = 117,443,346.63/x
  3. Step 3: Cross multiply
    205,147,835.26x = 307,225,654.11 × 117,443,346.63
  4. Step 4: Simplify right side
    205,147,835.26x = 36,081,608,988,057,040
  5. Step 5: Solve for x
    x = 36,081,608,988,057,040/205,147,835.26
  6. Step 6: Final answer
    x = 175,881,012.55

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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.