Home / 189,106,363.78-283,077,757.19-123,385,989.65

Finding the Fourth Proportional to 189,106,363.78, 283,077,757.19 and 123,385,989.65

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Solution

The fourth proportional to 189,106,363.78, 283,077,757.19 and 123,385,989.65 is: 184,699,385.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,106,363.78 : 283,077,757.19 = 123,385,989.65 : x
  2. Step 2: Convert to fraction form
    189,106,363.78/283,077,757.19 = 123,385,989.65/x
  3. Step 3: Cross multiply
    189,106,363.78x = 283,077,757.19 × 123,385,989.65
  4. Step 4: Simplify right side
    189,106,363.78x = 34,927,829,218,790,556
  5. Step 5: Solve for x
    x = 34,927,829,218,790,556/189,106,363.78
  6. Step 6: Final answer
    x = 184,699,385.68

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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.