Home / 217,448,408.28-300,078,852.42-119,663,264.28

Finding the Fourth Proportional to 217,448,408.28, 300,078,852.42 and 119,663,264.28

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Solution

The fourth proportional to 217,448,408.28, 300,078,852.42 and 119,663,264.28 is: 165,135,331.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,448,408.28 : 300,078,852.42 = 119,663,264.28 : x
  2. Step 2: Convert to fraction form
    217,448,408.28/300,078,852.42 = 119,663,264.28/x
  3. Step 3: Cross multiply
    217,448,408.28x = 300,078,852.42 × 119,663,264.28
  4. Step 4: Simplify right side
    217,448,408.28x = 35,908,415,021,973,580
  5. Step 5: Solve for x
    x = 35,908,415,021,973,580/217,448,408.28
  6. Step 6: Final answer
    x = 165,135,331.67

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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.