Home / 215,264,930.45-297,157,429.31-144,741,418.04

Finding the Fourth Proportional to 215,264,930.45, 297,157,429.31 and 144,741,418.04

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Solution

The fourth proportional to 215,264,930.45, 297,157,429.31 and 144,741,418.04 is: 199,804,899.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,264,930.45 : 297,157,429.31 = 144,741,418.04 : x
  2. Step 2: Convert to fraction form
    215,264,930.45/297,157,429.31 = 144,741,418.04/x
  3. Step 3: Cross multiply
    215,264,930.45x = 297,157,429.31 × 144,741,418.04
  4. Step 4: Simplify right side
    215,264,930.45x = 43,010,987,697,240,968
  5. Step 5: Solve for x
    x = 43,010,987,697,240,968/215,264,930.45
  6. Step 6: Final answer
    x = 199,804,899.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.