Home / 214,371,605.80-321,557,408.70-194,602,000.60

Finding the Fourth Proportional to 214,371,605.80, 321,557,408.70 and 194,602,000.60

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Solution

The fourth proportional to 214,371,605.80, 321,557,408.70 and 194,602,000.60 is: 291,903,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,371,605.80 : 321,557,408.70 = 194,602,000.60 : x
  2. Step 2: Convert to fraction form
    214,371,605.80/321,557,408.70 = 194,602,000.60/x
  3. Step 3: Cross multiply
    214,371,605.80x = 321,557,408.70 × 194,602,000.60
  4. Step 4: Simplify right side
    214,371,605.80x = 62,575,715,040,771,840
  5. Step 5: Solve for x
    x = 62,575,715,040,771,840/214,371,605.80
  6. Step 6: Final answer
    x = 291,903,000.90

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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.