Home / 112,108,137.92-168,237,660-39,325,607.36

Finding the Fourth Proportional to 112,108,137.92, 168,237,660 and 39,325,607.36

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Solution

The fourth proportional to 112,108,137.92, 168,237,660 and 39,325,607.36 is: 59,014,878.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,108,137.92 : 168,237,660 = 39,325,607.36 : x
  2. Step 2: Convert to fraction form
    112,108,137.92/168,237,660 = 39,325,607.36/x
  3. Step 3: Cross multiply
    112,108,137.92x = 168,237,660 × 39,325,607.36
  4. Step 4: Simplify right side
    112,108,137.92x = 6,616,048,160,325,177
  5. Step 5: Solve for x
    x = 6,616,048,160,325,177/112,108,137.92
  6. Step 6: Final answer
    x = 59,014,878.70

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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.