Home / 71,246,040.72-98,328,809.10-39,896,028.06

Finding the Fourth Proportional to 71,246,040.72, 98,328,809.10 and 39,896,028.06

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Solution

The fourth proportional to 71,246,040.72, 98,328,809.10 and 39,896,028.06 is: 55,061,711.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,246,040.72 : 98,328,809.10 = 39,896,028.06 : x
  2. Step 2: Convert to fraction form
    71,246,040.72/98,328,809.10 = 39,896,028.06/x
  3. Step 3: Cross multiply
    71,246,040.72x = 98,328,809.10 × 39,896,028.06
  4. Step 4: Simplify right side
    71,246,040.72x = 3,922,928,926,959,983.50
  5. Step 5: Solve for x
    x = 3,922,928,926,959,983.50/71,246,040.72
  6. Step 6: Final answer
    x = 55,061,711.32

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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.