Home / 209,871,342.06-289,622,838.51-117,057,832.26

Finding the Fourth Proportional to 209,871,342.06, 289,622,838.51 and 117,057,832.26

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Solution

The fourth proportional to 209,871,342.06, 289,622,838.51 and 117,057,832.26 is: 161,540,024.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,871,342.06 : 289,622,838.51 = 117,057,832.26 : x
  2. Step 2: Convert to fraction form
    209,871,342.06/289,622,838.51 = 117,057,832.26/x
  3. Step 3: Cross multiply
    209,871,342.06x = 289,622,838.51 × 117,057,832.26
  4. Step 4: Simplify right side
    209,871,342.06x = 33,902,621,648,968,648
  5. Step 5: Solve for x
    x = 33,902,621,648,968,648/209,871,342.06
  6. Step 6: Final answer
    x = 161,540,024.07

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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.