Home / 318,325,436.42-439,284,602.68-179,095,866.04

Finding the Fourth Proportional to 318,325,436.42, 439,284,602.68 and 179,095,866.04

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Solution

The fourth proportional to 318,325,436.42, 439,284,602.68 and 179,095,866.04 is: 247,149,763.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,325,436.42 : 439,284,602.68 = 179,095,866.04 : x
  2. Step 2: Convert to fraction form
    318,325,436.42/439,284,602.68 = 179,095,866.04/x
  3. Step 3: Cross multiply
    318,325,436.42x = 439,284,602.68 × 179,095,866.04
  4. Step 4: Simplify right side
    318,325,436.42x = 78,674,056,353,465,952
  5. Step 5: Solve for x
    x = 78,674,056,353,465,952/318,325,436.42
  6. Step 6: Final answer
    x = 247,149,763.58

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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.