Home / 86,240,171.93-129,296,484.69-52,153,939.85

Finding the Fourth Proportional to 86,240,171.93, 129,296,484.69 and 52,153,939.85

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Solution

The fourth proportional to 86,240,171.93, 129,296,484.69 and 52,153,939.85 is: 78,192,342.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,240,171.93 : 129,296,484.69 = 52,153,939.85 : x
  2. Step 2: Convert to fraction form
    86,240,171.93/129,296,484.69 = 52,153,939.85/x
  3. Step 3: Cross multiply
    86,240,171.93x = 129,296,484.69 × 52,153,939.85
  4. Step 4: Simplify right side
    86,240,171.93x = 6,743,321,085,338,706
  5. Step 5: Solve for x
    x = 6,743,321,085,338,706/86,240,171.93
  6. Step 6: Final answer
    x = 78,192,342.78

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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.