Home / 85,019,801,848.65-117,326,629,291.32-46,438,746,330.96

Finding the Fourth Proportional to 85,019,801,848.65, 117,326,629,291.32 and 46,438,746,330.96

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Solution

The fourth proportional to 85,019,801,848.65, 117,326,629,291.32 and 46,438,746,330.96 is: 64,085,089,085.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,019,801,848.65 : 117,326,629,291.32 = 46,438,746,330.96 : x
  2. Step 2: Convert to fraction form
    85,019,801,848.65/117,326,629,291.32 = 46,438,746,330.96/x
  3. Step 3: Cross multiply
    85,019,801,848.65x = 117,326,629,291.32 × 46,438,746,330.96
  4. Step 4: Simplify right side
    85,019,801,848.65x = 5,448,501,575,526,190,678,016
  5. Step 5: Solve for x
    x = 5,448,501,575,526,190,678,016/85,019,801,848.65
  6. Step 6: Final answer
    x = 64,085,089,085.78

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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.