Home / 145,540,705.08-200,936,815.02-92,647,257.18

Finding the Fourth Proportional to 145,540,705.08, 200,936,815.02 and 92,647,257.18

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Solution

The fourth proportional to 145,540,705.08, 200,936,815.02 and 92,647,257.18 is: 127,910,915.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,540,705.08 : 200,936,815.02 = 92,647,257.18 : x
  2. Step 2: Convert to fraction form
    145,540,705.08/200,936,815.02 = 92,647,257.18/x
  3. Step 3: Cross multiply
    145,540,705.08x = 200,936,815.02 × 92,647,257.18
  4. Step 4: Simplify right side
    145,540,705.08x = 18,616,244,778,088,028
  5. Step 5: Solve for x
    x = 18,616,244,778,088,028/145,540,705.08
  6. Step 6: Final answer
    x = 127,910,915.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.