Home / 188,713,009.48-260,432,332.50-106,212,137.80

Finding the Fourth Proportional to 188,713,009.48, 260,432,332.50 and 106,212,137.80

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Solution

The fourth proportional to 188,713,009.48, 260,432,332.50 and 106,212,137.80 is: 146,577,466.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,713,009.48 : 260,432,332.50 = 106,212,137.80 : x
  2. Step 2: Convert to fraction form
    188,713,009.48/260,432,332.50 = 106,212,137.80/x
  3. Step 3: Cross multiply
    188,713,009.48x = 260,432,332.50 × 106,212,137.80
  4. Step 4: Simplify right side
    188,713,009.48x = 27,661,074,787,065,416
  5. Step 5: Solve for x
    x = 27,661,074,787,065,416/188,713,009.48
  6. Step 6: Final answer
    x = 146,577,466.30

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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.