Home / 98,517,698,928.72-147,761,617,155.96-26,812,800,717.46

Finding the Fourth Proportional to 98,517,698,928.72, 147,761,617,155.96 and 26,812,800,717.46

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Solution

The fourth proportional to 98,517,698,928.72, 147,761,617,155.96 and 26,812,800,717.46 is: 40,215,137,356.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,517,698,928.72 : 147,761,617,155.96 = 26,812,800,717.46 : x
  2. Step 2: Convert to fraction form
    98,517,698,928.72/147,761,617,155.96 = 26,812,800,717.46/x
  3. Step 3: Cross multiply
    98,517,698,928.72x = 147,761,617,155.96 × 26,812,800,717.46
  4. Step 4: Simplify right side
    98,517,698,928.72x = 3,961,902,794,492,078,456,832
  5. Step 5: Solve for x
    x = 3,961,902,794,492,078,456,832/98,517,698,928.72
  6. Step 6: Final answer
    x = 40,215,137,356.78

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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.