Home / 221,986,434,863.26-306,333,077,199.22-120,486,140,950.16

Finding the Fourth Proportional to 221,986,434,863.26, 306,333,077,199.22 and 120,486,140,950.16

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Solution

The fourth proportional to 221,986,434,863.26, 306,333,077,199.22 and 120,486,140,950.16 is: 166,266,422,269.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,986,434,863.26 : 306,333,077,199.22 = 120,486,140,950.16 : x
  2. Step 2: Convert to fraction form
    221,986,434,863.26/306,333,077,199.22 = 120,486,140,950.16/x
  3. Step 3: Cross multiply
    221,986,434,863.26x = 306,333,077,199.22 × 120,486,140,950.16
  4. Step 4: Simplify right side
    221,986,434,863.26x = 36,908,890,317,121,464,041,472
  5. Step 5: Solve for x
    x = 36,908,890,317,121,464,041,472/221,986,434,863.26
  6. Step 6: Final answer
    x = 166,266,422,269.71

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1.5x scale

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.