Home / 112,563,078.57-155,433,993.21-70,816,727.25

Finding the Fourth Proportional to 112,563,078.57, 155,433,993.21 and 70,816,727.25

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Solution

The fourth proportional to 112,563,078.57, 155,433,993.21 and 70,816,727.25 is: 97,788,074.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,563,078.57 : 155,433,993.21 = 70,816,727.25 : x
  2. Step 2: Convert to fraction form
    112,563,078.57/155,433,993.21 = 70,816,727.25/x
  3. Step 3: Cross multiply
    112,563,078.57x = 155,433,993.21 × 70,816,727.25
  4. Step 4: Simplify right side
    112,563,078.57x = 11,007,326,702,530,922
  5. Step 5: Solve for x
    x = 11,007,326,702,530,922/112,563,078.57
  6. Step 6: Final answer
    x = 97,788,074.41

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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.