Home / 146,239,847.64-201,693,315.78-128,560,950.36

Finding the Fourth Proportional to 146,239,847.64, 201,693,315.78 and 128,560,950.36

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Solution

The fourth proportional to 146,239,847.64, 201,693,315.78 and 128,560,950.36 is: 177,310,663.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,239,847.64 : 201,693,315.78 = 128,560,950.36 : x
  2. Step 2: Convert to fraction form
    146,239,847.64/201,693,315.78 = 128,560,950.36/x
  3. Step 3: Cross multiply
    146,239,847.64x = 201,693,315.78 × 128,560,950.36
  4. Step 4: Simplify right side
    146,239,847.64x = 25,929,884,357,936,384
  5. Step 5: Solve for x
    x = 25,929,884,357,936,384/146,239,847.64
  6. Step 6: Final answer
    x = 177,310,663.11

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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.