Home / 120,230,995.08-165,918,833.28-65,226,837

Finding the Fourth Proportional to 120,230,995.08, 165,918,833.28 and 65,226,837

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Solution

The fourth proportional to 120,230,995.08, 165,918,833.28 and 65,226,837 is: 90,013,067.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,230,995.08 : 165,918,833.28 = 65,226,837 : x
  2. Step 2: Convert to fraction form
    120,230,995.08/165,918,833.28 = 65,226,837/x
  3. Step 3: Cross multiply
    120,230,995.08x = 165,918,833.28 × 65,226,837
  4. Step 4: Simplify right side
    120,230,995.08x = 10,822,360,693,584,736
  5. Step 5: Solve for x
    x = 10,822,360,693,584,736/120,230,995.08
  6. Step 6: Final answer
    x = 90,013,067.65

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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.