Home / 79,719,382.23-119,579,075.03-19,135,108.23

Finding the Fourth Proportional to 79,719,382.23, 119,579,075.03 and 19,135,108.23

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Solution

The fourth proportional to 79,719,382.23, 119,579,075.03 and 19,135,108.23 is: 28,702,662.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,719,382.23 : 119,579,075.03 = 19,135,108.23 : x
  2. Step 2: Convert to fraction form
    79,719,382.23/119,579,075.03 = 19,135,108.23/x
  3. Step 3: Cross multiply
    79,719,382.23x = 119,579,075.03 × 19,135,108.23
  4. Step 4: Simplify right side
    79,719,382.23x = 2,288,158,542,742,340.50
  5. Step 5: Solve for x
    x = 2,288,158,542,742,340.50/79,719,382.23
  6. Step 6: Final answer
    x = 28,702,662.75

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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.