Home / 212,947,340.36-293,868,215.25-115,162,196.36

Finding the Fourth Proportional to 212,947,340.36, 293,868,215.25 and 115,162,196.36

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Solution

The fourth proportional to 212,947,340.36, 293,868,215.25 and 115,162,196.36 is: 158,924,309.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,947,340.36 : 293,868,215.25 = 115,162,196.36 : x
  2. Step 2: Convert to fraction form
    212,947,340.36/293,868,215.25 = 115,162,196.36/x
  3. Step 3: Cross multiply
    212,947,340.36x = 293,868,215.25 × 115,162,196.36
  4. Step 4: Simplify right side
    212,947,340.36x = 33,842,509,108,583,248
  5. Step 5: Solve for x
    x = 33,842,509,108,583,248/212,947,340.36
  6. Step 6: Final answer
    x = 158,924,309.89

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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.