Home / 86,240,171.43-129,296,483.94-52,153,939.35

Finding the Fourth Proportional to 86,240,171.43, 129,296,483.94 and 52,153,939.35

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Solution

The fourth proportional to 86,240,171.43, 129,296,483.94 and 52,153,939.35 is: 78,192,342.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,240,171.43 : 129,296,483.94 = 52,153,939.35 : x
  2. Step 2: Convert to fraction form
    86,240,171.43/129,296,483.94 = 52,153,939.35/x
  3. Step 3: Cross multiply
    86,240,171.43x = 129,296,483.94 × 52,153,939.35
  4. Step 4: Simplify right side
    86,240,171.43x = 6,743,320,981,575,009
  5. Step 5: Solve for x
    x = 6,743,320,981,575,009/86,240,171.43
  6. Step 6: Final answer
    x = 78,192,342.03

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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.