Home / 147,036,917,825.64-202,905,589,558.10-81,927,981,059.36

Finding the Fourth Proportional to 147,036,917,825.64, 202,905,589,558.10 and 81,927,981,059.36

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Solution

The fourth proportional to 147,036,917,825.64, 202,905,589,558.10 and 81,927,981,059.36 is: 113,057,628,954.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,036,917,825.64 : 202,905,589,558.10 = 81,927,981,059.36 : x
  2. Step 2: Convert to fraction form
    147,036,917,825.64/202,905,589,558.10 = 81,927,981,059.36/x
  3. Step 3: Cross multiply
    147,036,917,825.64x = 202,905,589,558.10 × 81,927,981,059.36
  4. Step 4: Simplify right side
    147,036,917,825.64x = 16,623,645,298,153,276,571,648
  5. Step 5: Solve for x
    x = 16,623,645,298,153,276,571,648/147,036,917,825.64
  6. Step 6: Final answer
    x = 113,057,628,954.56

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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.