Home / 73,170,204.36-100,975,380.13-40,130,689.92

Finding the Fourth Proportional to 73,170,204.36, 100,975,380.13 and 40,130,689.92

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Solution

The fourth proportional to 73,170,204.36, 100,975,380.13 and 40,130,689.92 is: 55,380,625.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,170,204.36 : 100,975,380.13 = 40,130,689.92 : x
  2. Step 2: Convert to fraction form
    73,170,204.36/100,975,380.13 = 40,130,689.92/x
  3. Step 3: Cross multiply
    73,170,204.36x = 100,975,380.13 × 40,130,689.92
  4. Step 4: Simplify right side
    73,170,204.36x = 4,052,211,669,222,664.50
  5. Step 5: Solve for x
    x = 4,052,211,669,222,664.50/73,170,204.36
  6. Step 6: Final answer
    x = 55,380,625.28

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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.