Home / 90,638,991.56-136,015,174.38-36,786,303.56

Finding the Fourth Proportional to 90,638,991.56, 136,015,174.38 and 36,786,303.56

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Solution

The fourth proportional to 90,638,991.56, 136,015,174.38 and 36,786,303.56 is: 55,202,462.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,638,991.56 : 136,015,174.38 = 36,786,303.56 : x
  2. Step 2: Convert to fraction form
    90,638,991.56/136,015,174.38 = 36,786,303.56/x
  3. Step 3: Cross multiply
    90,638,991.56x = 136,015,174.38 × 36,786,303.56
  4. Step 4: Simplify right side
    90,638,991.56x = 5,003,495,493,509,015
  5. Step 5: Solve for x
    x = 5,003,495,493,509,015/90,638,991.56
  6. Step 6: Final answer
    x = 55,202,462.07

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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.