Home / 115,359,460.80-159,185,968.23-68,308,093.32

Finding the Fourth Proportional to 115,359,460.80, 159,185,968.23 and 68,308,093.32

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Solution

The fourth proportional to 115,359,460.80, 159,185,968.23 and 68,308,093.32 is: 94,259,195.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,359,460.80 : 159,185,968.23 = 68,308,093.32 : x
  2. Step 2: Convert to fraction form
    115,359,460.80/159,185,968.23 = 68,308,093.32/x
  3. Step 3: Cross multiply
    115,359,460.80x = 159,185,968.23 × 68,308,093.32
  4. Step 4: Simplify right side
    115,359,460.80x = 10,873,689,973,089,394
  5. Step 5: Solve for x
    x = 10,873,689,973,089,394/115,359,460.80
  6. Step 6: Final answer
    x = 94,259,195.54

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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.