Home / 213,347,707.20-320,021,560.80-159,599,995.20

Finding the Fourth Proportional to 213,347,707.20, 320,021,560.80 and 159,599,995.20

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Solution

The fourth proportional to 213,347,707.20, 320,021,560.80 and 159,599,995.20 is: 239,399,992.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,347,707.20 : 320,021,560.80 = 159,599,995.20 : x
  2. Step 2: Convert to fraction form
    213,347,707.20/320,021,560.80 = 159,599,995.20/x
  3. Step 3: Cross multiply
    213,347,707.20x = 320,021,560.80 × 159,599,995.20
  4. Step 4: Simplify right side
    213,347,707.20x = 51,075,439,567,576,504
  5. Step 5: Solve for x
    x = 51,075,439,567,576,504/213,347,707.20
  6. Step 6: Final answer
    x = 239,399,992.80

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1.5x scale

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.