Home / 199,709,143.22-275,598,991.05-111,603,141.02

Finding the Fourth Proportional to 199,709,143.22, 275,598,991.05 and 111,603,141.02

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Solution

The fourth proportional to 199,709,143.22, 275,598,991.05 and 111,603,141.02 is: 154,012,543.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,709,143.22 : 275,598,991.05 = 111,603,141.02 : x
  2. Step 2: Convert to fraction form
    199,709,143.22/275,598,991.05 = 111,603,141.02/x
  3. Step 3: Cross multiply
    199,709,143.22x = 275,598,991.05 × 111,603,141.02
  4. Step 4: Simplify right side
    199,709,143.22x = 30,757,713,063,122,868
  5. Step 5: Solve for x
    x = 30,757,713,063,122,868/199,709,143.22
  6. Step 6: Final answer
    x = 154,012,543.28

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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.