Home / 239,880,720.78-359,843,040.07-67,356,371.75

Finding the Fourth Proportional to 239,880,720.78, 359,843,040.07 and 67,356,371.75

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Solution

The fourth proportional to 239,880,720.78, 359,843,040.07 and 67,356,371.75 is: 101,040,723.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,880,720.78 : 359,843,040.07 = 67,356,371.75 : x
  2. Step 2: Convert to fraction form
    239,880,720.78/359,843,040.07 = 67,356,371.75/x
  3. Step 3: Cross multiply
    239,880,720.78x = 359,843,040.07 × 67,356,371.75
  4. Step 4: Simplify right side
    239,880,720.78x = 24,237,721,576,637,460
  5. Step 5: Solve for x
    x = 24,237,721,576,637,460/239,880,720.78
  6. Step 6: Final answer
    x = 101,040,723.48

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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.