Home / 85,661,608.36-128,492,409.30-25,077,334.36

Finding the Fourth Proportional to 85,661,608.36, 128,492,409.30 and 25,077,334.36

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Solution

The fourth proportional to 85,661,608.36, 128,492,409.30 and 25,077,334.36 is: 37,616,000.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,661,608.36 : 128,492,409.30 = 25,077,334.36 : x
  2. Step 2: Convert to fraction form
    85,661,608.36/128,492,409.30 = 25,077,334.36/x
  3. Step 3: Cross multiply
    85,661,608.36x = 128,492,409.30 × 25,077,334.36
  4. Step 4: Simplify right side
    85,661,608.36x = 3,222,247,110,738,073.50
  5. Step 5: Solve for x
    x = 3,222,247,110,738,073.50/85,661,608.36
  6. Step 6: Final answer
    x = 37,616,000.59

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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.