Home / 118,893,318.20-178,339,977.30-100,753,465.40

Finding the Fourth Proportional to 118,893,318.20, 178,339,977.30 and 100,753,465.40

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Solution

The fourth proportional to 118,893,318.20, 178,339,977.30 and 100,753,465.40 is: 151,130,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,893,318.20 : 178,339,977.30 = 100,753,465.40 : x
  2. Step 2: Convert to fraction form
    118,893,318.20/178,339,977.30 = 100,753,465.40/x
  3. Step 3: Cross multiply
    118,893,318.20x = 178,339,977.30 × 100,753,465.40
  4. Step 4: Simplify right side
    118,893,318.20x = 17,968,370,732,332,338
  5. Step 5: Solve for x
    x = 17,968,370,732,332,338/118,893,318.20
  6. Step 6: Final answer
    x = 151,130,198.10

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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.