Home / 214,139,422.76-321,208,489.02-60,785,609

Finding the Fourth Proportional to 214,139,422.76, 321,208,489.02 and 60,785,609

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Solution

The fourth proportional to 214,139,422.76, 321,208,489.02 and 60,785,609 is: 91,178,230.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,139,422.76 : 321,208,489.02 = 60,785,609 : x
  2. Step 2: Convert to fraction form
    214,139,422.76/321,208,489.02 = 60,785,609/x
  3. Step 3: Cross multiply
    214,139,422.76x = 321,208,489.02 × 60,785,609
  4. Step 4: Simplify right side
    214,139,422.76x = 19,524,853,621,050,512
  5. Step 5: Solve for x
    x = 19,524,853,621,050,512/214,139,422.76
  6. Step 6: Final answer
    x = 91,178,230.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.