Home / 45,918,148.40-68,885,698.43-18,993,903.92

Finding the Fourth Proportional to 45,918,148.40, 68,885,698.43 and 18,993,903.92

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Solution

The fourth proportional to 45,918,148.40, 68,885,698.43 and 18,993,903.92 is: 28,494,361.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,918,148.40 : 68,885,698.43 = 18,993,903.92 : x
  2. Step 2: Convert to fraction form
    45,918,148.40/68,885,698.43 = 18,993,903.92/x
  3. Step 3: Cross multiply
    45,918,148.40x = 68,885,698.43 × 18,993,903.92
  4. Step 4: Simplify right side
    45,918,148.40x = 1,308,408,337,144,571.25
  5. Step 5: Solve for x
    x = 1,308,408,337,144,571.25/45,918,148.40
  6. Step 6: Final answer
    x = 28,494,361.88

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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.