Home / 217,671,342.78-300,386,453.13-119,886,198.78

Finding the Fourth Proportional to 217,671,342.78, 300,386,453.13 and 119,886,198.78

Calculator

Solution

The fourth proportional to 217,671,342.78, 300,386,453.13 and 119,886,198.78 is: 165,442,954.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,671,342.78 : 300,386,453.13 = 119,886,198.78 : x
  2. Step 2: Convert to fraction form
    217,671,342.78/300,386,453.13 = 119,886,198.78/x
  3. Step 3: Cross multiply
    217,671,342.78x = 300,386,453.13 × 119,886,198.78
  4. Step 4: Simplify right side
    217,671,342.78x = 36,012,190,030,762,332
  5. Step 5: Solve for x
    x = 36,012,190,030,762,332/217,671,342.78
  6. Step 6: Final answer
    x = 165,442,954.37

Related Problems

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.