Home / 212,846,837.68-319,433,214.32-96,344,009.12

Finding the Fourth Proportional to 212,846,837.68, 319,433,214.32 and 96,344,009.12

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Solution

The fourth proportional to 212,846,837.68, 319,433,214.32 and 96,344,009.12 is: 144,589,775.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,846,837.68 : 319,433,214.32 = 96,344,009.12 : x
  2. Step 2: Convert to fraction form
    212,846,837.68/319,433,214.32 = 96,344,009.12/x
  3. Step 3: Cross multiply
    212,846,837.68x = 319,433,214.32 × 96,344,009.12
  4. Step 4: Simplify right side
    212,846,837.68x = 30,775,476,513,676,996
  5. Step 5: Solve for x
    x = 30,775,476,513,676,996/212,846,837.68
  6. Step 6: Final answer
    x = 144,589,775.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.