Home / 60,509,648.66-90,765,259.23-20,120,131.22

Finding the Fourth Proportional to 60,509,648.66, 90,765,259.23 and 20,120,131.22

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Solution

The fourth proportional to 60,509,648.66, 90,765,259.23 and 20,120,131.22 is: 30,180,458.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,509,648.66 : 90,765,259.23 = 20,120,131.22 : x
  2. Step 2: Convert to fraction form
    60,509,648.66/90,765,259.23 = 20,120,131.22/x
  3. Step 3: Cross multiply
    60,509,648.66x = 90,765,259.23 × 20,120,131.22
  4. Step 4: Simplify right side
    60,509,648.66x = 1,826,208,925,924,916.25
  5. Step 5: Solve for x
    x = 1,826,208,925,924,916.25/60,509,648.66
  6. Step 6: Final answer
    x = 30,180,458.26

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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.