Home / 55,186,214.08-82,792,142.43-18,794,920.45

Finding the Fourth Proportional to 55,186,214.08, 82,792,142.43 and 18,794,920.45

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Solution

The fourth proportional to 55,186,214.08, 82,792,142.43 and 18,794,920.45 is: 28,196,747.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,186,214.08 : 82,792,142.43 = 18,794,920.45 : x
  2. Step 2: Convert to fraction form
    55,186,214.08/82,792,142.43 = 18,794,920.45/x
  3. Step 3: Cross multiply
    55,186,214.08x = 82,792,142.43 × 18,794,920.45
  4. Step 4: Simplify right side
    55,186,214.08x = 1,556,071,730,762,945
  5. Step 5: Solve for x
    x = 1,556,071,730,762,945/55,186,214.08
  6. Step 6: Final answer
    x = 28,196,747.26

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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.