Home / 118,788,720.80-178,196,533.98-106,583,181.78

Finding the Fourth Proportional to 118,788,720.80, 178,196,533.98 and 106,583,181.78

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Solution

The fourth proportional to 118,788,720.80, 178,196,533.98 and 106,583,181.78 is: 159,886,843.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,788,720.80 : 178,196,533.98 = 106,583,181.78 : x
  2. Step 2: Convert to fraction form
    118,788,720.80/178,196,533.98 = 106,583,181.78/x
  3. Step 3: Cross multiply
    118,788,720.80x = 178,196,533.98 × 106,583,181.78
  4. Step 4: Simplify right side
    118,788,720.80x = 18,992,753,573,756,284
  5. Step 5: Solve for x
    x = 18,992,753,573,756,284/118,788,720.80
  6. Step 6: Final answer
    x = 159,886,843.18

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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.