Home / 276,905,530.88-382,247,293.65-172,535,168.59

Finding the Fourth Proportional to 276,905,530.88, 382,247,293.65 and 172,535,168.59

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Solution

The fourth proportional to 276,905,530.88, 382,247,293.65 and 172,535,168.59 is: 238,171,845.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,905,530.88 : 382,247,293.65 = 172,535,168.59 : x
  2. Step 2: Convert to fraction form
    276,905,530.88/382,247,293.65 = 172,535,168.59/x
  3. Step 3: Cross multiply
    276,905,530.88x = 382,247,293.65 × 172,535,168.59
  4. Step 4: Simplify right side
    276,905,530.88x = 65,951,101,252,973,984
  5. Step 5: Solve for x
    x = 65,951,101,252,973,984/276,905,530.88
  6. Step 6: Final answer
    x = 238,171,845.26

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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.