Home / 101,187,835.86-139,639,258.53-54,778,088.22

Finding the Fourth Proportional to 101,187,835.86, 139,639,258.53 and 54,778,088.22

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Solution

The fourth proportional to 101,187,835.86, 139,639,258.53 and 54,778,088.22 is: 75,593,786.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,187,835.86 : 139,639,258.53 = 54,778,088.22 : x
  2. Step 2: Convert to fraction form
    101,187,835.86/139,639,258.53 = 54,778,088.22/x
  3. Step 3: Cross multiply
    101,187,835.86x = 139,639,258.53 × 54,778,088.22
  4. Step 4: Simplify right side
    101,187,835.86x = 7,649,171,622,731,727
  5. Step 5: Solve for x
    x = 7,649,171,622,731,727/101,187,835.86
  6. Step 6: Final answer
    x = 75,593,786.13

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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.