Home / 147,104,935.56-203,004,801.45-85,261,146.66

Finding the Fourth Proportional to 147,104,935.56, 203,004,801.45 and 85,261,146.66

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Solution

The fourth proportional to 147,104,935.56, 203,004,801.45 and 85,261,146.66 is: 117,660,376.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,104,935.56 : 203,004,801.45 = 85,261,146.66 : x
  2. Step 2: Convert to fraction form
    147,104,935.56/203,004,801.45 = 85,261,146.66/x
  3. Step 3: Cross multiply
    147,104,935.56x = 203,004,801.45 × 85,261,146.66
  4. Step 4: Simplify right side
    147,104,935.56x = 17,308,422,149,112,628
  5. Step 5: Solve for x
    x = 17,308,422,149,112,628/147,104,935.56
  6. Step 6: Final answer
    x = 117,660,376.81

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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.