Home / 100,095,971.10-149,954,999.85-51,408,102.30

Finding the Fourth Proportional to 100,095,971.10, 149,954,999.85 and 51,408,102.30

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Solution

The fourth proportional to 100,095,971.10, 149,954,999.85 and 51,408,102.30 is: 77,015,107.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,095,971.10 : 149,954,999.85 = 51,408,102.30 : x
  2. Step 2: Convert to fraction form
    100,095,971.10/149,954,999.85 = 51,408,102.30/x
  3. Step 3: Cross multiply
    100,095,971.10x = 149,954,999.85 × 51,408,102.30
  4. Step 4: Simplify right side
    100,095,971.10x = 7,708,901,972,685,284
  5. Step 5: Solve for x
    x = 7,708,901,972,685,284/100,095,971.10
  6. Step 6: Final answer
    x = 77,015,107.48

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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.