Home / 212,957,416.46-293,881,431.21-115,172,272.46

Finding the Fourth Proportional to 212,957,416.46, 293,881,431.21 and 115,172,272.46

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Solution

The fourth proportional to 212,957,416.46, 293,881,431.21 and 115,172,272.46 is: 158,937,842.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,957,416.46 : 293,881,431.21 = 115,172,272.46 : x
  2. Step 2: Convert to fraction form
    212,957,416.46/293,881,431.21 = 115,172,272.46/x
  3. Step 3: Cross multiply
    212,957,416.46x = 293,881,431.21 × 115,172,272.46
  4. Step 4: Simplify right side
    212,957,416.46x = 33,846,992,266,252,864
  5. Step 5: Solve for x
    x = 33,846,992,266,252,864/212,957,416.46
  6. Step 6: Final answer
    x = 158,937,842.26

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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.