Home / 213,019,564.55-293,954,647.73-118,939,668.03

Finding the Fourth Proportional to 213,019,564.55, 293,954,647.73 and 118,939,668.03

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Solution

The fourth proportional to 213,019,564.55, 293,954,647.73 and 118,939,668.03 is: 164,129,845.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,019,564.55 : 293,954,647.73 = 118,939,668.03 : x
  2. Step 2: Convert to fraction form
    213,019,564.55/293,954,647.73 = 118,939,668.03/x
  3. Step 3: Cross multiply
    213,019,564.55x = 293,954,647.73 × 118,939,668.03
  4. Step 4: Simplify right side
    213,019,564.55x = 34,962,868,216,287,096
  5. Step 5: Solve for x
    x = 34,962,868,216,287,096/213,019,564.55
  6. Step 6: Final answer
    x = 164,129,845.50

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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.