Home / 118,819,218.70-178,308,544.20-70,245,511.30

Finding the Fourth Proportional to 118,819,218.70, 178,308,544.20 and 70,245,511.30

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Solution

The fourth proportional to 118,819,218.70, 178,308,544.20 and 70,245,511.30 is: 105,415,394.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,819,218.70 : 178,308,544.20 = 70,245,511.30 : x
  2. Step 2: Convert to fraction form
    118,819,218.70/178,308,544.20 = 70,245,511.30/x
  3. Step 3: Cross multiply
    118,819,218.70x = 178,308,544.20 × 70,245,511.30
  4. Step 4: Simplify right side
    118,819,218.70x = 12,525,374,856,487,648
  5. Step 5: Solve for x
    x = 12,525,374,856,487,648/118,819,218.70
  6. Step 6: Final answer
    x = 105,415,394.86

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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.