Home / 118,736,234.40-178,104,351.60-91,829,200.80

Finding the Fourth Proportional to 118,736,234.40, 178,104,351.60 and 91,829,200.80

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Solution

The fourth proportional to 118,736,234.40, 178,104,351.60 and 91,829,200.80 is: 137,743,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,736,234.40 : 178,104,351.60 = 91,829,200.80 : x
  2. Step 2: Convert to fraction form
    118,736,234.40/178,104,351.60 = 91,829,200.80/x
  3. Step 3: Cross multiply
    118,736,234.40x = 178,104,351.60 × 91,829,200.80
  4. Step 4: Simplify right side
    118,736,234.40x = 16,355,180,266,430,200
  5. Step 5: Solve for x
    x = 16,355,180,266,430,200/118,736,234.40
  6. Step 6: Final answer
    x = 137,743,801.20

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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.