Home / 146,239,848.64-201,693,317.16-128,560,951.36

Finding the Fourth Proportional to 146,239,848.64, 201,693,317.16 and 128,560,951.36

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Solution

The fourth proportional to 146,239,848.64, 201,693,317.16 and 128,560,951.36 is: 177,310,664.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,239,848.64 : 201,693,317.16 = 128,560,951.36 : x
  2. Step 2: Convert to fraction form
    146,239,848.64/201,693,317.16 = 128,560,951.36/x
  3. Step 3: Cross multiply
    146,239,848.64x = 201,693,317.16 × 128,560,951.36
  4. Step 4: Simplify right side
    146,239,848.64x = 25,929,884,737,043,812
  5. Step 5: Solve for x
    x = 25,929,884,737,043,812/146,239,848.64
  6. Step 6: Final answer
    x = 177,310,664.49

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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.