Home / 90,579,231,383.58-124,999,716,865.50-49,933,249,928.60

Finding the Fourth Proportional to 90,579,231,383.58, 124,999,716,865.50 and 49,933,249,928.60

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Solution

The fourth proportional to 90,579,231,383.58, 124,999,716,865.50 and 49,933,249,928.60 is: 68,908,093,035.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,579,231,383.58 : 124,999,716,865.50 = 49,933,249,928.60 : x
  2. Step 2: Convert to fraction form
    90,579,231,383.58/124,999,716,865.50 = 49,933,249,928.60/x
  3. Step 3: Cross multiply
    90,579,231,383.58x = 124,999,716,865.50 × 49,933,249,928.60
  4. Step 4: Simplify right side
    90,579,231,383.58x = 6,241,642,103,248,747,757,568
  5. Step 5: Solve for x
    x = 6,241,642,103,248,747,757,568/90,579,231,383.58
  6. Step 6: Final answer
    x = 68,908,093,035.33

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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.