Home / 209,952,616.05-314,928,924.08-73,637,999.55

Finding the Fourth Proportional to 209,952,616.05, 314,928,924.08 and 73,637,999.55

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Solution

The fourth proportional to 209,952,616.05, 314,928,924.08 and 73,637,999.55 is: 110,456,999.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,616.05 : 314,928,924.08 = 73,637,999.55 : x
  2. Step 2: Convert to fraction form
    209,952,616.05/314,928,924.08 = 73,637,999.55/x
  3. Step 3: Cross multiply
    209,952,616.05x = 314,928,924.08 × 73,637,999.55
  4. Step 4: Simplify right side
    209,952,616.05x = 23,190,735,969,316,832
  5. Step 5: Solve for x
    x = 23,190,735,969,316,832/209,952,616.05
  6. Step 6: Final answer
    x = 110,456,999.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.