Home / 42,056,722.80-63,085,084.20-18,122,194.80

Finding the Fourth Proportional to 42,056,722.80, 63,085,084.20 and 18,122,194.80

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Solution

The fourth proportional to 42,056,722.80, 63,085,084.20 and 18,122,194.80 is: 27,183,292.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,056,722.80 : 63,085,084.20 = 18,122,194.80 : x
  2. Step 2: Convert to fraction form
    42,056,722.80/63,085,084.20 = 18,122,194.80/x
  3. Step 3: Cross multiply
    42,056,722.80x = 63,085,084.20 × 18,122,194.80
  4. Step 4: Simplify right side
    42,056,722.80x = 1,143,240,184,846,802.25
  5. Step 5: Solve for x
    x = 1,143,240,184,846,802.25/42,056,722.80
  6. Step 6: Final answer
    x = 27,183,292.20

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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.