Home / 212,964,655.56-293,904,665.10-120,111,284.04

Finding the Fourth Proportional to 212,964,655.56, 293,904,665.10 and 120,111,284.04

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Solution

The fourth proportional to 212,964,655.56, 293,904,665.10 and 120,111,284.04 is: 165,761,152.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,964,655.56 : 293,904,665.10 = 120,111,284.04 : x
  2. Step 2: Convert to fraction form
    212,964,655.56/293,904,665.10 = 120,111,284.04/x
  3. Step 3: Cross multiply
    212,964,655.56x = 293,904,665.10 × 120,111,284.04
  4. Step 4: Simplify right side
    212,964,655.56x = 35,301,266,710,507,180
  5. Step 5: Solve for x
    x = 35,301,266,710,507,180/212,964,655.56
  6. Step 6: Final answer
    x = 165,761,152.33

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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.