Home / 130,939,891.84-196,425,033.67-43,509,211.43

Finding the Fourth Proportional to 130,939,891.84, 196,425,033.67 and 43,509,211.43

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Solution

The fourth proportional to 130,939,891.84, 196,425,033.67 and 43,509,211.43 is: 65,268,866.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,939,891.84 : 196,425,033.67 = 43,509,211.43 : x
  2. Step 2: Convert to fraction form
    130,939,891.84/196,425,033.67 = 43,509,211.43/x
  3. Step 3: Cross multiply
    130,939,891.84x = 196,425,033.67 × 43,509,211.43
  4. Step 4: Simplify right side
    130,939,891.84x = 8,546,298,318,920,638
  5. Step 5: Solve for x
    x = 8,546,298,318,920,638/130,939,891.84
  6. Step 6: Final answer
    x = 65,268,866.49

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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.