Home / 118,890,201.20-178,167,340.20-87,943,276.40

Finding the Fourth Proportional to 118,890,201.20, 178,167,340.20 and 87,943,276.40

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Solution

The fourth proportional to 118,890,201.20, 178,167,340.20 and 87,943,276.40 is: 131,790,673.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,890,201.20 : 178,167,340.20 = 87,943,276.40 : x
  2. Step 2: Convert to fraction form
    118,890,201.20/178,167,340.20 = 87,943,276.40/x
  3. Step 3: Cross multiply
    118,890,201.20x = 178,167,340.20 × 87,943,276.40
  4. Step 4: Simplify right side
    118,890,201.20x = 15,668,619,644,661,432
  5. Step 5: Solve for x
    x = 15,668,619,644,661,432/118,890,201.20
  6. Step 6: Final answer
    x = 131,790,673.13

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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.