Home / 79,719,381.23-119,579,073.53-19,135,107.23

Finding the Fourth Proportional to 79,719,381.23, 119,579,073.53 and 19,135,107.23

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Solution

The fourth proportional to 79,719,381.23, 119,579,073.53 and 19,135,107.23 is: 28,702,661.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,719,381.23 : 119,579,073.53 = 19,135,107.23 : x
  2. Step 2: Convert to fraction form
    79,719,381.23/119,579,073.53 = 19,135,107.23/x
  3. Step 3: Cross multiply
    79,719,381.23x = 119,579,073.53 × 19,135,107.23
  4. Step 4: Simplify right side
    79,719,381.23x = 2,288,158,393,767,034
  5. Step 5: Solve for x
    x = 2,288,158,393,767,034/79,719,381.23
  6. Step 6: Final answer
    x = 28,702,661.24

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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.