Home / 108,985,293.81-150,436,150.41-64,946,102.49

Finding the Fourth Proportional to 108,985,293.81, 150,436,150.41 and 64,946,102.49

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Solution

The fourth proportional to 108,985,293.81, 150,436,150.41 and 64,946,102.49 is: 89,647,339.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,985,293.81 : 150,436,150.41 = 64,946,102.49 : x
  2. Step 2: Convert to fraction form
    108,985,293.81/150,436,150.41 = 64,946,102.49/x
  3. Step 3: Cross multiply
    108,985,293.81x = 150,436,150.41 × 64,946,102.49
  4. Step 4: Simplify right side
    108,985,293.81x = 9,770,241,642,728,916
  5. Step 5: Solve for x
    x = 9,770,241,642,728,916/108,985,293.81
  6. Step 6: Final answer
    x = 89,647,339.57

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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.