Home / 212,964,649.56-293,904,656.82-120,111,278.04

Finding the Fourth Proportional to 212,964,649.56, 293,904,656.82 and 120,111,278.04

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Solution

The fourth proportional to 212,964,649.56, 293,904,656.82 and 120,111,278.04 is: 165,761,144.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,964,649.56 : 293,904,656.82 = 120,111,278.04 : x
  2. Step 2: Convert to fraction form
    212,964,649.56/293,904,656.82 = 120,111,278.04/x
  3. Step 3: Cross multiply
    212,964,649.56x = 293,904,656.82 × 120,111,278.04
  4. Step 4: Simplify right side
    212,964,649.56x = 35,301,263,952,557,804
  5. Step 5: Solve for x
    x = 35,301,263,952,557,804/212,964,649.56
  6. Step 6: Final answer
    x = 165,761,144.05

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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.