Home / 68,639,015.07-102,957,871.73-17,520,328.35

Finding the Fourth Proportional to 68,639,015.07, 102,957,871.73 and 17,520,328.35

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Solution

The fourth proportional to 68,639,015.07, 102,957,871.73 and 17,520,328.35 is: 26,280,326.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,639,015.07 : 102,957,871.73 = 17,520,328.35 : x
  2. Step 2: Convert to fraction form
    68,639,015.07/102,957,871.73 = 17,520,328.35/x
  3. Step 3: Cross multiply
    68,639,015.07x = 102,957,871.73 × 17,520,328.35
  4. Step 4: Simplify right side
    68,639,015.07x = 1,803,855,718,839,181
  5. Step 5: Solve for x
    x = 1,803,855,718,839,181/68,639,015.07
  6. Step 6: Final answer
    x = 26,280,326.39

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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.