Home / 280,269,342.56-386,764,196.22-154,818,838.56

Finding the Fourth Proportional to 280,269,342.56, 386,764,196.22 and 154,818,838.56

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Solution

The fourth proportional to 280,269,342.56, 386,764,196.22 and 154,818,838.56 is: 213,645,856.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,269,342.56 : 386,764,196.22 = 154,818,838.56 : x
  2. Step 2: Convert to fraction form
    280,269,342.56/386,764,196.22 = 154,818,838.56/x
  3. Step 3: Cross multiply
    280,269,342.56x = 386,764,196.22 × 154,818,838.56
  4. Step 4: Simplify right side
    280,269,342.56x = 59,878,383,655,372,344
  5. Step 5: Solve for x
    x = 59,878,383,655,372,344/280,269,342.56
  6. Step 6: Final answer
    x = 213,645,856.19

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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.