Home / 55,186,264-82,792,217.44-18,794,970.40

Finding the Fourth Proportional to 55,186,264, 82,792,217.44 and 18,794,970.40

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Solution

The fourth proportional to 55,186,264, 82,792,217.44 and 18,794,970.40 is: 28,196,822.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,186,264 : 82,792,217.44 = 18,794,970.40 : x
  2. Step 2: Convert to fraction form
    55,186,264/82,792,217.44 = 18,794,970.40/x
  3. Step 3: Cross multiply
    55,186,264x = 82,792,217.44 × 18,794,970.40
  4. Step 4: Simplify right side
    55,186,264x = 1,556,077,276,135,163.50
  5. Step 5: Solve for x
    x = 1,556,077,276,135,163.50/55,186,264
  6. Step 6: Final answer
    x = 28,196,822.24

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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.