Home / 126,674,074.56-190,039,763.27-68,380,501.35

Finding the Fourth Proportional to 126,674,074.56, 190,039,763.27 and 68,380,501.35

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Solution

The fourth proportional to 126,674,074.56, 190,039,763.27 and 68,380,501.35 is: 102,586,218.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,674,074.56 : 190,039,763.27 = 68,380,501.35 : x
  2. Step 2: Convert to fraction form
    126,674,074.56/190,039,763.27 = 68,380,501.35/x
  3. Step 3: Cross multiply
    126,674,074.56x = 190,039,763.27 × 68,380,501.35
  4. Step 4: Simplify right side
    126,674,074.56x = 12,995,014,288,837,916
  5. Step 5: Solve for x
    x = 12,995,014,288,837,916/126,674,074.56
  6. Step 6: Final answer
    x = 102,586,218.48

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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.