Home / 125,886,204.89-188,620,556.93-76,552,828.65

Finding the Fourth Proportional to 125,886,204.89, 188,620,556.93 and 76,552,828.65

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Solution

The fourth proportional to 125,886,204.89, 188,620,556.93 and 76,552,828.65 is: 114,702,299.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,886,204.89 : 188,620,556.93 = 76,552,828.65 : x
  2. Step 2: Convert to fraction form
    125,886,204.89/188,620,556.93 = 76,552,828.65/x
  3. Step 3: Cross multiply
    125,886,204.89x = 188,620,556.93 × 76,552,828.65
  4. Step 4: Simplify right side
    125,886,204.89x = 14,439,437,174,147,098
  5. Step 5: Solve for x
    x = 14,439,437,174,147,098/125,886,204.89
  6. Step 6: Final answer
    x = 114,702,299.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.