Home / 213,003,212.60-319,536,749.10-90,181,292.60

Finding the Fourth Proportional to 213,003,212.60, 319,536,749.10 and 90,181,292.60

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Solution

The fourth proportional to 213,003,212.60, 319,536,749.10 and 90,181,292.60 is: 135,285,457.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,003,212.60 : 319,536,749.10 = 90,181,292.60 : x
  2. Step 2: Convert to fraction form
    213,003,212.60/319,536,749.10 = 90,181,292.60/x
  3. Step 3: Cross multiply
    213,003,212.60x = 319,536,749.10 × 90,181,292.60
  4. Step 4: Simplify right side
    213,003,212.60x = 28,816,237,067,039,888
  5. Step 5: Solve for x
    x = 28,816,237,067,039,888/213,003,212.60
  6. Step 6: Final answer
    x = 135,285,457.51

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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.