Home / 199,709,127.62-275,598,969.51-111,603,125.40

Finding the Fourth Proportional to 199,709,127.62, 275,598,969.51 and 111,603,125.40

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Solution

The fourth proportional to 199,709,127.62, 275,598,969.51 and 111,603,125.40 is: 154,012,521.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,709,127.62 : 275,598,969.51 = 111,603,125.40 : x
  2. Step 2: Convert to fraction form
    199,709,127.62/275,598,969.51 = 111,603,125.40/x
  3. Step 3: Cross multiply
    199,709,127.62x = 275,598,969.51 × 111,603,125.40
  4. Step 4: Simplify right side
    199,709,127.62x = 30,757,706,353,720,324
  5. Step 5: Solve for x
    x = 30,757,706,353,720,324/199,709,127.62
  6. Step 6: Final answer
    x = 154,012,521.71

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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.