Home / 110,711,728.20-166,067,592.30-42,556,643.40

Finding the Fourth Proportional to 110,711,728.20, 166,067,592.30 and 42,556,643.40

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Solution

The fourth proportional to 110,711,728.20, 166,067,592.30 and 42,556,643.40 is: 63,834,965.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,711,728.20 : 166,067,592.30 = 42,556,643.40 : x
  2. Step 2: Convert to fraction form
    110,711,728.20/166,067,592.30 = 42,556,643.40/x
  3. Step 3: Cross multiply
    110,711,728.20x = 166,067,592.30 × 42,556,643.40
  4. Step 4: Simplify right side
    110,711,728.20x = 7,067,279,305,807,686
  5. Step 5: Solve for x
    x = 7,067,279,305,807,686/110,711,728.20
  6. Step 6: Final answer
    x = 63,834,965.10

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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.