Home / 166,490,269.62-249,821,514.72-120,808,764.03

Finding the Fourth Proportional to 166,490,269.62, 249,821,514.72 and 120,808,764.03

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Solution

The fourth proportional to 166,490,269.62, 249,821,514.72 and 120,808,764.03 is: 181,275,629.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,490,269.62 : 249,821,514.72 = 120,808,764.03 : x
  2. Step 2: Convert to fraction form
    166,490,269.62/249,821,514.72 = 120,808,764.03/x
  3. Step 3: Cross multiply
    166,490,269.62x = 249,821,514.72 × 120,808,764.03
  4. Step 4: Simplify right side
    166,490,269.62x = 30,180,628,421,425,652
  5. Step 5: Solve for x
    x = 30,180,628,421,425,652/166,490,269.62
  6. Step 6: Final answer
    x = 181,275,629.44

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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.