Home / 56,545,675.20-84,818,512.80-20,195,110.80

Finding the Fourth Proportional to 56,545,675.20, 84,818,512.80 and 20,195,110.80

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Solution

The fourth proportional to 56,545,675.20, 84,818,512.80 and 20,195,110.80 is: 30,292,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,545,675.20 : 84,818,512.80 = 20,195,110.80 : x
  2. Step 2: Convert to fraction form
    56,545,675.20/84,818,512.80 = 20,195,110.80/x
  3. Step 3: Cross multiply
    56,545,675.20x = 84,818,512.80 × 20,195,110.80
  4. Step 4: Simplify right side
    56,545,675.20x = 1,712,919,263,887,218.25
  5. Step 5: Solve for x
    x = 1,712,919,263,887,218.25/56,545,675.20
  6. Step 6: Final answer
    x = 30,292,666.20

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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.