Home / 53,642,674.80-80,464,012.20-38,638,105.20

Finding the Fourth Proportional to 53,642,674.80, 80,464,012.20 and 38,638,105.20

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Solution

The fourth proportional to 53,642,674.80, 80,464,012.20 and 38,638,105.20 is: 57,957,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,642,674.80 : 80,464,012.20 = 38,638,105.20 : x
  2. Step 2: Convert to fraction form
    53,642,674.80/80,464,012.20 = 38,638,105.20/x
  3. Step 3: Cross multiply
    53,642,674.80x = 80,464,012.20 × 38,638,105.20
  4. Step 4: Simplify right side
    53,642,674.80x = 3,108,976,968,197,684
  5. Step 5: Solve for x
    x = 3,108,976,968,197,684/53,642,674.80
  6. Step 6: Final answer
    x = 57,957,157.80

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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.