Home / 35,619,399.09-49,154,786.69-20,149,154.01

Finding the Fourth Proportional to 35,619,399.09, 49,154,786.69 and 20,149,154.01

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Solution

The fourth proportional to 35,619,399.09, 49,154,786.69 and 20,149,154.01 is: 27,805,841.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,619,399.09 : 49,154,786.69 = 20,149,154.01 : x
  2. Step 2: Convert to fraction form
    35,619,399.09/49,154,786.69 = 20,149,154.01/x
  3. Step 3: Cross multiply
    35,619,399.09x = 49,154,786.69 × 20,149,154.01
  4. Step 4: Simplify right side
    35,619,399.09x = 990,427,367,244,762.50
  5. Step 5: Solve for x
    x = 990,427,367,244,762.50/35,619,399.09
  6. Step 6: Final answer
    x = 27,805,841.55

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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.