Home / 132,674,808.80-199,012,213.20-121,195,683.20

Finding the Fourth Proportional to 132,674,808.80, 199,012,213.20 and 121,195,683.20

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Solution

The fourth proportional to 132,674,808.80, 199,012,213.20 and 121,195,683.20 is: 181,793,524.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,674,808.80 : 199,012,213.20 = 121,195,683.20 : x
  2. Step 2: Convert to fraction form
    132,674,808.80/199,012,213.20 = 121,195,683.20/x
  3. Step 3: Cross multiply
    132,674,808.80x = 199,012,213.20 × 121,195,683.20
  4. Step 4: Simplify right side
    132,674,808.80x = 24,119,421,143,918,056
  5. Step 5: Solve for x
    x = 24,119,421,143,918,056/132,674,808.80
  6. Step 6: Final answer
    x = 181,793,524.80

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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.