Home / 103,969,351.32-143,477,738.70-56,929,405.71

Finding the Fourth Proportional to 103,969,351.32, 143,477,738.70 and 56,929,405.71

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Solution

The fourth proportional to 103,969,351.32, 143,477,738.70 and 56,929,405.71 is: 78,562,598.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,969,351.32 : 143,477,738.70 = 56,929,405.71 : x
  2. Step 2: Convert to fraction form
    103,969,351.32/143,477,738.70 = 56,929,405.71/x
  3. Step 3: Cross multiply
    103,969,351.32x = 143,477,738.70 × 56,929,405.71
  4. Step 4: Simplify right side
    103,969,351.32x = 8,168,102,396,805,667
  5. Step 5: Solve for x
    x = 8,168,102,396,805,667/103,969,351.32
  6. Step 6: Final answer
    x = 78,562,598.43

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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.