Home / 146,240,012.07-201,693,543.57-128,561,115.69

Finding the Fourth Proportional to 146,240,012.07, 201,693,543.57 and 128,561,115.69

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Solution

The fourth proportional to 146,240,012.07, 201,693,543.57 and 128,561,115.69 is: 177,310,892.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,240,012.07 : 201,693,543.57 = 128,561,115.69 : x
  2. Step 2: Convert to fraction form
    146,240,012.07/201,693,543.57 = 128,561,115.69/x
  3. Step 3: Cross multiply
    146,240,012.07x = 201,693,543.57 × 128,561,115.69
  4. Step 4: Simplify right side
    146,240,012.07x = 25,929,946,988,828,824
  5. Step 5: Solve for x
    x = 25,929,946,988,828,824/146,240,012.07
  6. Step 6: Final answer
    x = 177,310,892.02

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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.