Home / 81,302,585.22-112,199,814.09-46,017,585.54

Finding the Fourth Proportional to 81,302,585.22, 112,199,814.09 and 46,017,585.54

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Solution

The fourth proportional to 81,302,585.22, 112,199,814.09 and 46,017,585.54 is: 63,505,539.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,302,585.22 : 112,199,814.09 = 46,017,585.54 : x
  2. Step 2: Convert to fraction form
    81,302,585.22/112,199,814.09 = 46,017,585.54/x
  3. Step 3: Cross multiply
    81,302,585.22x = 112,199,814.09 × 46,017,585.54
  4. Step 4: Simplify right side
    81,302,585.22x = 5,163,164,542,458,672
  5. Step 5: Solve for x
    x = 5,163,164,542,458,672/81,302,585.22
  6. Step 6: Final answer
    x = 63,505,539.57

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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.