Home / 212,964,656.56-293,904,666.48-120,111,285.04

Finding the Fourth Proportional to 212,964,656.56, 293,904,666.48 and 120,111,285.04

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Solution

The fourth proportional to 212,964,656.56, 293,904,666.48 and 120,111,285.04 is: 165,761,153.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,964,656.56 : 293,904,666.48 = 120,111,285.04 : x
  2. Step 2: Convert to fraction form
    212,964,656.56/293,904,666.48 = 120,111,285.04/x
  3. Step 3: Cross multiply
    212,964,656.56x = 293,904,666.48 × 120,111,285.04
  4. Step 4: Simplify right side
    212,964,656.56x = 35,301,267,170,165,416
  5. Step 5: Solve for x
    x = 35,301,267,170,165,416/212,964,656.56
  6. Step 6: Final answer
    x = 165,761,153.71

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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.