Home / 53,759,815.20-80,640,014.40-13,370,299.20

Finding the Fourth Proportional to 53,759,815.20, 80,640,014.40 and 13,370,299.20

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Solution

The fourth proportional to 53,759,815.20, 80,640,014.40 and 13,370,299.20 is: 20,055,521.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,759,815.20 : 80,640,014.40 = 13,370,299.20 : x
  2. Step 2: Convert to fraction form
    53,759,815.20/80,640,014.40 = 13,370,299.20/x
  3. Step 3: Cross multiply
    53,759,815.20x = 80,640,014.40 × 13,370,299.20
  4. Step 4: Simplify right side
    53,759,815.20x = 1,078,181,120,020,308.50
  5. Step 5: Solve for x
    x = 1,078,181,120,020,308.50/53,759,815.20
  6. Step 6: Final answer
    x = 20,055,521.32

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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.