Home / 212,947,414.29-293,868,317.03-115,162,270.29

Finding the Fourth Proportional to 212,947,414.29, 293,868,317.03 and 115,162,270.29

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Solution

The fourth proportional to 212,947,414.29, 293,868,317.03 and 115,162,270.29 is: 158,924,411.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,947,414.29 : 293,868,317.03 = 115,162,270.29 : x
  2. Step 2: Convert to fraction form
    212,947,414.29/293,868,317.03 = 115,162,270.29/x
  3. Step 3: Cross multiply
    212,947,414.29x = 293,868,317.03 × 115,162,270.29
  4. Step 4: Simplify right side
    212,947,414.29x = 33,842,542,554,900,456
  5. Step 5: Solve for x
    x = 33,842,542,554,900,456/212,947,414.29
  6. Step 6: Final answer
    x = 158,924,411.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.