Home / 117,845,942.64-162,632,469.24-65,635,001.52

Finding the Fourth Proportional to 117,845,942.64, 162,632,469.24 and 65,635,001.52

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Solution

The fourth proportional to 117,845,942.64, 162,632,469.24 and 65,635,001.52 is: 90,579,124.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,845,942.64 : 162,632,469.24 = 65,635,001.52 : x
  2. Step 2: Convert to fraction form
    117,845,942.64/162,632,469.24 = 65,635,001.52/x
  3. Step 3: Cross multiply
    117,845,942.64x = 162,632,469.24 × 65,635,001.52
  4. Step 4: Simplify right side
    117,845,942.64x = 10,674,382,365,768,754
  5. Step 5: Solve for x
    x = 10,674,382,365,768,754/117,845,942.64
  6. Step 6: Final answer
    x = 90,579,124.97

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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.