Home / 121,322,114.30-181,983,171.45-91,089,026.30

Finding the Fourth Proportional to 121,322,114.30, 181,983,171.45 and 91,089,026.30

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Solution

The fourth proportional to 121,322,114.30, 181,983,171.45 and 91,089,026.30 is: 136,633,539.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,322,114.30 : 181,983,171.45 = 91,089,026.30 : x
  2. Step 2: Convert to fraction form
    121,322,114.30/181,983,171.45 = 91,089,026.30/x
  3. Step 3: Cross multiply
    121,322,114.30x = 181,983,171.45 × 91,089,026.30
  4. Step 4: Simplify right side
    121,322,114.30x = 16,576,669,890,366,458
  5. Step 5: Solve for x
    x = 16,576,669,890,366,458/121,322,114.30
  6. Step 6: Final answer
    x = 136,633,539.45

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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.