Home / 53,167,039.13-79,705,070.37-20,401,121.63

Finding the Fourth Proportional to 53,167,039.13, 79,705,070.37 and 20,401,121.63

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Solution

The fourth proportional to 53,167,039.13, 79,705,070.37 and 20,401,121.63 is: 30,584,227.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,167,039.13 : 79,705,070.37 = 20,401,121.63 : x
  2. Step 2: Convert to fraction form
    53,167,039.13/79,705,070.37 = 20,401,121.63/x
  3. Step 3: Cross multiply
    53,167,039.13x = 79,705,070.37 × 20,401,121.63
  4. Step 4: Simplify right side
    53,167,039.13x = 1,626,072,835,146,079
  5. Step 5: Solve for x
    x = 1,626,072,835,146,079/53,167,039.13
  6. Step 6: Final answer
    x = 30,584,227.78

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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.