Home / 212,826,866.56-293,700,945.96-115,041,722.56

Finding the Fourth Proportional to 212,826,866.56, 293,700,945.96 and 115,041,722.56

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Solution

The fourth proportional to 212,826,866.56, 293,700,945.96 and 115,041,722.56 is: 158,757,506.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,826,866.56 : 293,700,945.96 = 115,041,722.56 : x
  2. Step 2: Convert to fraction form
    212,826,866.56/293,700,945.96 = 115,041,722.56/x
  3. Step 3: Cross multiply
    212,826,866.56x = 293,700,945.96 × 115,041,722.56
  4. Step 4: Simplify right side
    212,826,866.56x = 33,787,862,740,739,872
  5. Step 5: Solve for x
    x = 33,787,862,740,739,872/212,826,866.56
  6. Step 6: Final answer
    x = 158,757,506.92

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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.