Home / 212,964,657.60-293,904,667.84-120,111,286.08

Finding the Fourth Proportional to 212,964,657.60, 293,904,667.84 and 120,111,286.08

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Solution

The fourth proportional to 212,964,657.60, 293,904,667.84 and 120,111,286.08 is: 165,761,155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,964,657.60 : 293,904,667.84 = 120,111,286.08 : x
  2. Step 2: Convert to fraction form
    212,964,657.60/293,904,667.84 = 120,111,286.08/x
  3. Step 3: Cross multiply
    212,964,657.60x = 293,904,667.84 × 120,111,286.08
  4. Step 4: Simplify right side
    212,964,657.60x = 35,301,267,639,177,612
  5. Step 5: Solve for x
    x = 35,301,267,639,177,612/212,964,657.60
  6. Step 6: Final answer
    x = 165,761,155.10

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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.