Home / 301,315,743.42-452,112,617.61-137,603,686.38

Finding the Fourth Proportional to 301,315,743.42, 452,112,617.61 and 137,603,686.38

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Solution

The fourth proportional to 301,315,743.42, 452,112,617.61 and 137,603,686.38 is: 206,469,008.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,315,743.42 : 452,112,617.61 = 137,603,686.38 : x
  2. Step 2: Convert to fraction form
    301,315,743.42/452,112,617.61 = 137,603,686.38/x
  3. Step 3: Cross multiply
    301,315,743.42x = 452,112,617.61 × 137,603,686.38
  4. Step 4: Simplify right side
    301,315,743.42x = 62,212,362,842,047,304
  5. Step 5: Solve for x
    x = 62,212,362,842,047,304/301,315,743.42
  6. Step 6: Final answer
    x = 206,469,008.67

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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.