Home / 53,001,215.20-79,501,822.80-49,809,944.80

Finding the Fourth Proportional to 53,001,215.20, 79,501,822.80 and 49,809,944.80

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Solution

The fourth proportional to 53,001,215.20, 79,501,822.80 and 49,809,944.80 is: 74,714,917.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,001,215.20 : 79,501,822.80 = 49,809,944.80 : x
  2. Step 2: Convert to fraction form
    53,001,215.20/79,501,822.80 = 49,809,944.80/x
  3. Step 3: Cross multiply
    53,001,215.20x = 79,501,822.80 × 49,809,944.80
  4. Step 4: Simplify right side
    53,001,215.20x = 3,959,981,405,167,381
  5. Step 5: Solve for x
    x = 3,959,981,405,167,381/53,001,215.20
  6. Step 6: Final answer
    x = 74,714,917.20

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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.