Home / 118,828,555.37-178,117,032.66-39,969,991.83

Finding the Fourth Proportional to 118,828,555.37, 178,117,032.66 and 39,969,991.83

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Solution

The fourth proportional to 118,828,555.37, 178,117,032.66 and 39,969,991.83 is: 59,912,672.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,828,555.37 : 178,117,032.66 = 39,969,991.83 : x
  2. Step 2: Convert to fraction form
    118,828,555.37/178,117,032.66 = 39,969,991.83/x
  3. Step 3: Cross multiply
    118,828,555.37x = 178,117,032.66 × 39,969,991.83
  4. Step 4: Simplify right side
    118,828,555.37x = 7,119,336,339,536,104
  5. Step 5: Solve for x
    x = 7,119,336,339,536,104/118,828,555.37
  6. Step 6: Final answer
    x = 59,912,672.65

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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.