Home / 161,639,247.32-223,058,800.32-91,078,491.68

Finding the Fourth Proportional to 161,639,247.32, 223,058,800.32 and 91,078,491.68

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Solution

The fourth proportional to 161,639,247.32, 223,058,800.32 and 91,078,491.68 is: 125,686,424.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,639,247.32 : 223,058,800.32 = 91,078,491.68 : x
  2. Step 2: Convert to fraction form
    161,639,247.32/223,058,800.32 = 91,078,491.68/x
  3. Step 3: Cross multiply
    161,639,247.32x = 223,058,800.32 × 91,078,491.68
  4. Step 4: Simplify right side
    161,639,247.32x = 20,315,859,089,095,904
  5. Step 5: Solve for x
    x = 20,315,859,089,095,904/161,639,247.32
  6. Step 6: Final answer
    x = 125,686,424.71

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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.