Home / 213,780,881.20-320,671,321.80-183,169,879.60

Finding the Fourth Proportional to 213,780,881.20, 320,671,321.80 and 183,169,879.60

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Solution

The fourth proportional to 213,780,881.20, 320,671,321.80 and 183,169,879.60 is: 274,754,819.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,780,881.20 : 320,671,321.80 = 183,169,879.60 : x
  2. Step 2: Convert to fraction form
    213,780,881.20/320,671,321.80 = 183,169,879.60/x
  3. Step 3: Cross multiply
    213,780,881.20x = 320,671,321.80 × 183,169,879.60
  4. Step 4: Simplify right side
    213,780,881.20x = 58,737,327,405,278,856
  5. Step 5: Solve for x
    x = 58,737,327,405,278,856/213,780,881.20
  6. Step 6: Final answer
    x = 274,754,819.40

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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.