Home / 213,768,052.60-320,652,078.90-92,835,700.60

Finding the Fourth Proportional to 213,768,052.60, 320,652,078.90 and 92,835,700.60

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Solution

The fourth proportional to 213,768,052.60, 320,652,078.90 and 92,835,700.60 is: 139,253,550.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,768,052.60 : 320,652,078.90 = 92,835,700.60 : x
  2. Step 2: Convert to fraction form
    213,768,052.60/320,652,078.90 = 92,835,700.60/x
  3. Step 3: Cross multiply
    213,768,052.60x = 320,652,078.90 × 92,835,700.60
  4. Step 4: Simplify right side
    213,768,052.60x = 29,767,960,393,527,972
  5. Step 5: Solve for x
    x = 29,767,960,393,527,972/213,768,052.60
  6. Step 6: Final answer
    x = 139,253,550.90

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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.