Home / 213,170,760-319,923,552-109,535,779.20

Finding the Fourth Proportional to 213,170,760, 319,923,552 and 109,535,779.20

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Solution

The fourth proportional to 213,170,760, 319,923,552 and 109,535,779.20 is: 164,389,691.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,170,760 : 319,923,552 = 109,535,779.20 : x
  2. Step 2: Convert to fraction form
    213,170,760/319,923,552 = 109,535,779.20/x
  3. Step 3: Cross multiply
    213,170,760x = 319,923,552 × 109,535,779.20
  4. Step 4: Simplify right side
    213,170,760x = 35,043,075,552,751,720
  5. Step 5: Solve for x
    x = 35,043,075,552,751,720/213,170,760
  6. Step 6: Final answer
    x = 164,389,691.87

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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.