Home / 212,947,417.29-293,868,321.17-115,162,273.29

Finding the Fourth Proportional to 212,947,417.29, 293,868,321.17 and 115,162,273.29

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Solution

The fourth proportional to 212,947,417.29, 293,868,321.17 and 115,162,273.29 is: 158,924,415.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,947,417.29 : 293,868,321.17 = 115,162,273.29 : x
  2. Step 2: Convert to fraction form
    212,947,417.29/293,868,321.17 = 115,162,273.29/x
  3. Step 3: Cross multiply
    212,947,417.29x = 293,868,321.17 × 115,162,273.29
  4. Step 4: Simplify right side
    212,947,417.29x = 33,842,543,913,277,224
  5. Step 5: Solve for x
    x = 33,842,543,913,277,224/212,947,417.29
  6. Step 6: Final answer
    x = 158,924,415.91

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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.