Home / 212,957,160.21-293,881,077.05-115,172,016.21

Finding the Fourth Proportional to 212,957,160.21, 293,881,077.05 and 115,172,016.21

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Solution

The fourth proportional to 212,957,160.21, 293,881,077.05 and 115,172,016.21 is: 158,937,488.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,957,160.21 : 293,881,077.05 = 115,172,016.21 : x
  2. Step 2: Convert to fraction form
    212,957,160.21/293,881,077.05 = 115,172,016.21/x
  3. Step 3: Cross multiply
    212,957,160.21x = 293,881,077.05 × 115,172,016.21
  4. Step 4: Simplify right side
    212,957,160.21x = 33,846,876,169,239,000
  5. Step 5: Solve for x
    x = 33,846,876,169,239,000/212,957,160.21
  6. Step 6: Final answer
    x = 158,937,488.35

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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.