Home / 212,826,745.78-293,700,779.26-115,041,601.78

Finding the Fourth Proportional to 212,826,745.78, 293,700,779.26 and 115,041,601.78

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Solution

The fourth proportional to 212,826,745.78, 293,700,779.26 and 115,041,601.78 is: 158,757,340.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,826,745.78 : 293,700,779.26 = 115,041,601.78 : x
  2. Step 2: Convert to fraction form
    212,826,745.78/293,700,779.26 = 115,041,601.78/x
  3. Step 3: Cross multiply
    212,826,745.78x = 293,700,779.26 × 115,041,601.78
  4. Step 4: Simplify right side
    212,826,745.78x = 33,787,808,090,104,604
  5. Step 5: Solve for x
    x = 33,787,808,090,104,604/212,826,745.78
  6. Step 6: Final answer
    x = 158,757,340.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.