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Finding the Fourth Proportional to 30,792,662.80, 46,200,053.40 and 29,686,742.80

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Solution

The fourth proportional to 30,792,662.80, 46,200,053.40 and 29,686,742.80 is: 44,540,776.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,792,662.80 : 46,200,053.40 = 29,686,742.80 : x
  2. Step 2: Convert to fraction form
    30,792,662.80/46,200,053.40 = 29,686,742.80/x
  3. Step 3: Cross multiply
    30,792,662.80x = 46,200,053.40 × 29,686,742.80
  4. Step 4: Simplify right side
    30,792,662.80x = 1,371,529,102,632,065.50
  5. Step 5: Solve for x
    x = 1,371,529,102,632,065.50/30,792,662.80
  6. Step 6: Final answer
    x = 44,540,776.21

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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.