Home / 208,612,924.38-312,911,664.94-84,169,371.22

Finding the Fourth Proportional to 208,612,924.38, 312,911,664.94 and 84,169,371.22

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Solution

The fourth proportional to 208,612,924.38, 312,911,664.94 and 84,169,371.22 is: 126,250,941.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,612,924.38 : 312,911,664.94 = 84,169,371.22 : x
  2. Step 2: Convert to fraction form
    208,612,924.38/312,911,664.94 = 84,169,371.22/x
  3. Step 3: Cross multiply
    208,612,924.38x = 312,911,664.94 × 84,169,371.22
  4. Step 4: Simplify right side
    208,612,924.38x = 26,337,578,085,403,120
  5. Step 5: Solve for x
    x = 26,337,578,085,403,120/208,612,924.38
  6. Step 6: Final answer
    x = 126,250,941.37

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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.