Home / 126,336,109.86-174,345,033.33-74,126,033.70

Finding the Fourth Proportional to 126,336,109.86, 174,345,033.33 and 74,126,033.70

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Solution

The fourth proportional to 126,336,109.86, 174,345,033.33 and 74,126,033.70 is: 102,294,631.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,336,109.86 : 174,345,033.33 = 74,126,033.70 : x
  2. Step 2: Convert to fraction form
    126,336,109.86/174,345,033.33 = 74,126,033.70/x
  3. Step 3: Cross multiply
    126,336,109.86x = 174,345,033.33 × 74,126,033.70
  4. Step 4: Simplify right side
    126,336,109.86x = 12,923,505,816,047,204
  5. Step 5: Solve for x
    x = 12,923,505,816,047,204/126,336,109.86
  6. Step 6: Final answer
    x = 102,294,631.60

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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.