Home / 190,391,485.74-262,794,730.52-112,120,438.52

Finding the Fourth Proportional to 190,391,485.74, 262,794,730.52 and 112,120,438.52

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Solution

The fourth proportional to 190,391,485.74, 262,794,730.52 and 112,120,438.52 is: 154,758,288.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,391,485.74 : 262,794,730.52 = 112,120,438.52 : x
  2. Step 2: Convert to fraction form
    190,391,485.74/262,794,730.52 = 112,120,438.52/x
  3. Step 3: Cross multiply
    190,391,485.74x = 262,794,730.52 × 112,120,438.52
  4. Step 4: Simplify right side
    190,391,485.74x = 29,464,660,426,647,628
  5. Step 5: Solve for x
    x = 29,464,660,426,647,628/190,391,485.74
  6. Step 6: Final answer
    x = 154,758,288.23

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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.