Home / 85,420,141.68-117,879,211.32-46,261,017.84

Finding the Fourth Proportional to 85,420,141.68, 117,879,211.32 and 46,261,017.84

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Solution

The fourth proportional to 85,420,141.68, 117,879,211.32 and 46,261,017.84 is: 63,839,888.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,420,141.68 : 117,879,211.32 = 46,261,017.84 : x
  2. Step 2: Convert to fraction form
    85,420,141.68/117,879,211.32 = 46,261,017.84/x
  3. Step 3: Cross multiply
    85,420,141.68x = 117,879,211.32 × 46,261,017.84
  4. Step 4: Simplify right side
    85,420,141.68x = 5,453,212,297,839,650
  5. Step 5: Solve for x
    x = 5,453,212,297,839,650/85,420,141.68
  6. Step 6: Final answer
    x = 63,839,888.23

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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.