Home / 318,325,439.43-439,284,606.81-179,095,869.03

Finding the Fourth Proportional to 318,325,439.43, 439,284,606.81 and 179,095,869.03

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Solution

The fourth proportional to 318,325,439.43, 439,284,606.81 and 179,095,869.03 is: 247,149,767.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,325,439.43 : 439,284,606.81 = 179,095,869.03 : x
  2. Step 2: Convert to fraction form
    318,325,439.43/439,284,606.81 = 179,095,869.03/x
  3. Step 3: Cross multiply
    318,325,439.43x = 439,284,606.81 × 179,095,869.03
  4. Step 4: Simplify right side
    318,325,439.43x = 78,674,058,408,138,800
  5. Step 5: Solve for x
    x = 78,674,058,408,138,800/318,325,439.43
  6. Step 6: Final answer
    x = 247,149,767.70

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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.