Home / 177,853,628.82-266,871,643.35-85,815,859.44

Finding the Fourth Proportional to 177,853,628.82, 266,871,643.35 and 85,815,859.44

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Solution

The fourth proportional to 177,853,628.82, 266,871,643.35 and 85,815,859.44 is: 128,767,793.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,853,628.82 : 266,871,643.35 = 85,815,859.44 : x
  2. Step 2: Convert to fraction form
    177,853,628.82/266,871,643.35 = 85,815,859.44/x
  3. Step 3: Cross multiply
    177,853,628.82x = 266,871,643.35 × 85,815,859.44
  4. Step 4: Simplify right side
    177,853,628.82x = 22,901,819,434,245,408
  5. Step 5: Solve for x
    x = 22,901,819,434,245,408/177,853,628.82
  6. Step 6: Final answer
    x = 128,767,793.98

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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.