Home / 199,709,142.22-275,598,989.67-111,603,140.02

Finding the Fourth Proportional to 199,709,142.22, 275,598,989.67 and 111,603,140.02

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Solution

The fourth proportional to 199,709,142.22, 275,598,989.67 and 111,603,140.02 is: 154,012,541.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,709,142.22 : 275,598,989.67 = 111,603,140.02 : x
  2. Step 2: Convert to fraction form
    199,709,142.22/275,598,989.67 = 111,603,140.02/x
  3. Step 3: Cross multiply
    199,709,142.22x = 275,598,989.67 × 111,603,140.02
  4. Step 4: Simplify right side
    199,709,142.22x = 30,757,712,633,511,544
  5. Step 5: Solve for x
    x = 30,757,712,633,511,544/199,709,142.22
  6. Step 6: Final answer
    x = 154,012,541.90

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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.