Home / 117,570,964.35-162,008,859.49-90,947,646.13

Finding the Fourth Proportional to 117,570,964.35, 162,008,859.49 and 90,947,646.13

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Solution

The fourth proportional to 117,570,964.35, 162,008,859.49 and 90,947,646.13 is: 125,322,816.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,570,964.35 : 162,008,859.49 = 90,947,646.13 : x
  2. Step 2: Convert to fraction form
    117,570,964.35/162,008,859.49 = 90,947,646.13/x
  3. Step 3: Cross multiply
    117,570,964.35x = 162,008,859.49 × 90,947,646.13
  4. Step 4: Simplify right side
    117,570,964.35x = 14,734,324,422,821,412
  5. Step 5: Solve for x
    x = 14,734,324,422,821,412/117,570,964.35
  6. Step 6: Final answer
    x = 125,322,816.77

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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.