Home / 86,972,656,284.68-120,020,384,479.22-50,352,315,943.56

Finding the Fourth Proportional to 86,972,656,284.68, 120,020,384,479.22 and 50,352,315,943.56

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Solution

The fourth proportional to 86,972,656,284.68, 120,020,384,479.22 and 50,352,315,943.56 is: 69,485,106,895.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,972,656,284.68 : 120,020,384,479.22 = 50,352,315,943.56 : x
  2. Step 2: Convert to fraction form
    86,972,656,284.68/120,020,384,479.22 = 50,352,315,943.56/x
  3. Step 3: Cross multiply
    86,972,656,284.68x = 120,020,384,479.22 × 50,352,315,943.56
  4. Step 4: Simplify right side
    86,972,656,284.68x = 6,043,304,318,965,230,075,904
  5. Step 5: Solve for x
    x = 6,043,304,318,965,230,075,904/86,972,656,284.68
  6. Step 6: Final answer
    x = 69,485,106,895.94

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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.