Home / 81,131,707.35-111,957,590.48-46,317,597.39

Finding the Fourth Proportional to 81,131,707.35, 111,957,590.48 and 46,317,597.39

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Solution

The fourth proportional to 81,131,707.35, 111,957,590.48 and 46,317,597.39 is: 63,915,906.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,131,707.35 : 111,957,590.48 = 46,317,597.39 : x
  2. Step 2: Convert to fraction form
    81,131,707.35/111,957,590.48 = 46,317,597.39/x
  3. Step 3: Cross multiply
    81,131,707.35x = 111,957,590.48 × 46,317,597.39
  4. Step 4: Simplify right side
    81,131,707.35x = 5,185,606,600,375,549
  5. Step 5: Solve for x
    x = 5,185,606,600,375,549/81,131,707.35
  6. Step 6: Final answer
    x = 63,915,906.24

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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.