Home / 252,619,489.20-348,645,143.16-153,516,429.84

Finding the Fourth Proportional to 252,619,489.20, 348,645,143.16 and 153,516,429.84

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Solution

The fourth proportional to 252,619,489.20, 348,645,143.16 and 153,516,429.84 is: 211,871,054.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,619,489.20 : 348,645,143.16 = 153,516,429.84 : x
  2. Step 2: Convert to fraction form
    252,619,489.20/348,645,143.16 = 153,516,429.84/x
  3. Step 3: Cross multiply
    252,619,489.20x = 348,645,143.16 × 153,516,429.84
  4. Step 4: Simplify right side
    252,619,489.20x = 53,522,757,658,978,904
  5. Step 5: Solve for x
    x = 53,522,757,658,978,904/252,619,489.20
  6. Step 6: Final answer
    x = 211,871,054.88

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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.