Home / 87,418,274.76-120,634,059.17-48,259,212.35

Finding the Fourth Proportional to 87,418,274.76, 120,634,059.17 and 48,259,212.35

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Solution

The fourth proportional to 87,418,274.76, 120,634,059.17 and 48,259,212.35 is: 66,595,968.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,418,274.76 : 120,634,059.17 = 48,259,212.35 : x
  2. Step 2: Convert to fraction form
    87,418,274.76/120,634,059.17 = 48,259,212.35/x
  3. Step 3: Cross multiply
    87,418,274.76x = 120,634,059.17 × 48,259,212.35
  4. Step 4: Simplify right side
    87,418,274.76x = 5,821,704,677,644,972
  5. Step 5: Solve for x
    x = 5,821,704,677,644,972/87,418,274.76
  6. Step 6: Final answer
    x = 66,595,968.56

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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.