Home / 261,044,408.42-391,560,924.52-122,793,385.22

Finding the Fourth Proportional to 261,044,408.42, 391,560,924.52 and 122,793,385.22

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Solution

The fourth proportional to 261,044,408.42, 391,560,924.52 and 122,793,385.22 is: 184,187,402.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,044,408.42 : 391,560,924.52 = 122,793,385.22 : x
  2. Step 2: Convert to fraction form
    261,044,408.42/391,560,924.52 = 122,793,385.22/x
  3. Step 3: Cross multiply
    261,044,408.42x = 391,560,924.52 × 122,793,385.22
  4. Step 4: Simplify right side
    261,044,408.42x = 48,081,091,441,683,704
  5. Step 5: Solve for x
    x = 48,081,091,441,683,704/261,044,408.42
  6. Step 6: Final answer
    x = 184,187,402.18

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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.