Home / 112,060,606.80-168,090,910.20-68,789,499.60

Finding the Fourth Proportional to 112,060,606.80, 168,090,910.20 and 68,789,499.60

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Solution

The fourth proportional to 112,060,606.80, 168,090,910.20 and 68,789,499.60 is: 103,184,249.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,060,606.80 : 168,090,910.20 = 68,789,499.60 : x
  2. Step 2: Convert to fraction form
    112,060,606.80/168,090,910.20 = 68,789,499.60/x
  3. Step 3: Cross multiply
    112,060,606.80x = 168,090,910.20 × 68,789,499.60
  4. Step 4: Simplify right side
    112,060,606.80x = 11,562,889,599,966,534
  5. Step 5: Solve for x
    x = 11,562,889,599,966,534/112,060,606.80
  6. Step 6: Final answer
    x = 103,184,249.40

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1.5x scale

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.