Home / 118,936,998,466.20-178,405,497,699.30-109,019,033,947.80

Finding the Fourth Proportional to 118,936,998,466.20, 178,405,497,699.30 and 109,019,033,947.80

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Solution

The fourth proportional to 118,936,998,466.20, 178,405,497,699.30 and 109,019,033,947.80 is: 163,528,550,921.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,936,998,466.20 : 178,405,497,699.30 = 109,019,033,947.80 : x
  2. Step 2: Convert to fraction form
    118,936,998,466.20/178,405,497,699.30 = 109,019,033,947.80/x
  3. Step 3: Cross multiply
    118,936,998,466.20x = 178,405,497,699.30 × 109,019,033,947.80
  4. Step 4: Simplify right side
    118,936,998,466.20x = 19,449,595,010,154,139,484,160
  5. Step 5: Solve for x
    x = 19,449,595,010,154,139,484,160/118,936,998,466.20
  6. Step 6: Final answer
    x = 163,528,550,921.70

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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.