Home / 276,905,571.46-382,247,349.95-172,535,209.47

Finding the Fourth Proportional to 276,905,571.46, 382,247,349.95 and 172,535,209.47

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Solution

The fourth proportional to 276,905,571.46, 382,247,349.95 and 172,535,209.47 is: 238,171,901.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,905,571.46 : 382,247,349.95 = 172,535,209.47 : x
  2. Step 2: Convert to fraction form
    276,905,571.46/382,247,349.95 = 172,535,209.47/x
  3. Step 3: Cross multiply
    276,905,571.46x = 382,247,349.95 × 172,535,209.47
  4. Step 4: Simplify right side
    276,905,571.46x = 65,951,126,593,406,976
  5. Step 5: Solve for x
    x = 65,951,126,593,406,976/276,905,571.46
  6. Step 6: Final answer
    x = 238,171,901.87

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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.