Home / 115,605,933.71-159,540,788.43-63,396,841.82

Finding the Fourth Proportional to 115,605,933.71, 159,540,788.43 and 63,396,841.82

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Solution

The fourth proportional to 115,605,933.71, 159,540,788.43 and 63,396,841.82 is: 87,490,164.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,605,933.71 : 159,540,788.43 = 63,396,841.82 : x
  2. Step 2: Convert to fraction form
    115,605,933.71/159,540,788.43 = 63,396,841.82/x
  3. Step 3: Cross multiply
    115,605,933.71x = 159,540,788.43 × 63,396,841.82
  4. Step 4: Simplify right side
    115,605,933.71x = 10,114,382,127,137,092
  5. Step 5: Solve for x
    x = 10,114,382,127,137,092/115,605,933.71
  6. Step 6: Final answer
    x = 87,490,164.24

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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.