Home / 81,285,561.76-112,159,604.44-46,003,201.08

Finding the Fourth Proportional to 81,285,561.76, 112,159,604.44 and 46,003,201.08

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Solution

The fourth proportional to 81,285,561.76, 112,159,604.44 and 46,003,201.08 is: 63,476,227.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,285,561.76 : 112,159,604.44 = 46,003,201.08 : x
  2. Step 2: Convert to fraction form
    81,285,561.76/112,159,604.44 = 46,003,201.08/x
  3. Step 3: Cross multiply
    81,285,561.76x = 112,159,604.44 × 46,003,201.08
  4. Step 4: Simplify right side
    81,285,561.76x = 5,159,700,836,106,580
  5. Step 5: Solve for x
    x = 5,159,700,836,106,580/81,285,561.76
  6. Step 6: Final answer
    x = 63,476,227.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.