Home / 126,698,262.07-190,119,286.27-68,405,163.79

Finding the Fourth Proportional to 126,698,262.07, 190,119,286.27 and 68,405,163.79

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Solution

The fourth proportional to 126,698,262.07, 190,119,286.27 and 68,405,163.79 is: 102,646,561.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,698,262.07 : 190,119,286.27 = 68,405,163.79 : x
  2. Step 2: Convert to fraction form
    126,698,262.07/190,119,286.27 = 68,405,163.79/x
  3. Step 3: Cross multiply
    126,698,262.07x = 190,119,286.27 × 68,405,163.79
  4. Step 4: Simplify right side
    126,698,262.07x = 13,005,140,916,547,456
  5. Step 5: Solve for x
    x = 13,005,140,916,547,456/126,698,262.07
  6. Step 6: Final answer
    x = 102,646,561.24

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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.