Home / 132,595,845.80-198,893,768.70-121,116,720.20

Finding the Fourth Proportional to 132,595,845.80, 198,893,768.70 and 121,116,720.20

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Solution

The fourth proportional to 132,595,845.80, 198,893,768.70 and 121,116,720.20 is: 181,675,080.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,595,845.80 : 198,893,768.70 = 121,116,720.20 : x
  2. Step 2: Convert to fraction form
    132,595,845.80/198,893,768.70 = 121,116,720.20/x
  3. Step 3: Cross multiply
    132,595,845.80x = 198,893,768.70 × 121,116,720.20
  4. Step 4: Simplify right side
    132,595,845.80x = 24,089,360,933,161,416
  5. Step 5: Solve for x
    x = 24,089,360,933,161,416/132,595,845.80
  6. Step 6: Final answer
    x = 181,675,080.30

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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.