Home / 78,632,354.09-117,922,858.16-26,095,912.04

Finding the Fourth Proportional to 78,632,354.09, 117,922,858.16 and 26,095,912.04

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Solution

The fourth proportional to 78,632,354.09, 117,922,858.16 and 26,095,912.04 is: 39,135,347.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,632,354.09 : 117,922,858.16 = 26,095,912.04 : x
  2. Step 2: Convert to fraction form
    78,632,354.09/117,922,858.16 = 26,095,912.04/x
  3. Step 3: Cross multiply
    78,632,354.09x = 117,922,858.16 × 26,095,912.04
  4. Step 4: Simplify right side
    78,632,354.09x = 3,077,304,534,213,084
  5. Step 5: Solve for x
    x = 3,077,304,534,213,084/78,632,354.09
  6. Step 6: Final answer
    x = 39,135,347.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.