Home / 118,828,555.99-178,117,033.60-39,969,992.45

Finding the Fourth Proportional to 118,828,555.99, 178,117,033.60 and 39,969,992.45

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Solution

The fourth proportional to 118,828,555.99, 178,117,033.60 and 39,969,992.45 is: 59,912,673.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,828,555.99 : 178,117,033.60 = 39,969,992.45 : x
  2. Step 2: Convert to fraction form
    118,828,555.99/178,117,033.60 = 39,969,992.45/x
  3. Step 3: Cross multiply
    118,828,555.99x = 178,117,033.60 × 39,969,992.45
  4. Step 4: Simplify right side
    118,828,555.99x = 7,119,336,488,208,397
  5. Step 5: Solve for x
    x = 7,119,336,488,208,397/118,828,555.99
  6. Step 6: Final answer
    x = 59,912,673.59

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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.