Home / 54,837,821.03-81,766,466.93-53,331,185.80

Finding the Fourth Proportional to 54,837,821.03, 81,766,466.93 and 53,331,185.80

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Solution

The fourth proportional to 54,837,821.03, 81,766,466.93 and 53,331,185.80 is: 79,519,983.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,837,821.03 : 81,766,466.93 = 53,331,185.80 : x
  2. Step 2: Convert to fraction form
    54,837,821.03/81,766,466.93 = 53,331,185.80/x
  3. Step 3: Cross multiply
    54,837,821.03x = 81,766,466.93 × 53,331,185.80
  4. Step 4: Simplify right side
    54,837,821.03x = 4,360,702,640,053,385.50
  5. Step 5: Solve for x
    x = 4,360,702,640,053,385.50/54,837,821.03
  6. Step 6: Final answer
    x = 79,519,983.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.