Home / 166,067,728.80-249,101,593.20-63,835,101.60

Finding the Fourth Proportional to 166,067,728.80, 249,101,593.20 and 63,835,101.60

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Solution

The fourth proportional to 166,067,728.80, 249,101,593.20 and 63,835,101.60 is: 95,752,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,067,728.80 : 249,101,593.20 = 63,835,101.60 : x
  2. Step 2: Convert to fraction form
    166,067,728.80/249,101,593.20 = 63,835,101.60/x
  3. Step 3: Cross multiply
    166,067,728.80x = 249,101,593.20 × 63,835,101.60
  4. Step 4: Simplify right side
    166,067,728.80x = 15,901,425,510,643,868
  5. Step 5: Solve for x
    x = 15,901,425,510,643,868/166,067,728.80
  6. Step 6: Final answer
    x = 95,752,652.40

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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.