Home / 216,775,945.12-325,095,390.96-71,185,505.44

Finding the Fourth Proportional to 216,775,945.12, 325,095,390.96 and 71,185,505.44

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Solution

The fourth proportional to 216,775,945.12, 325,095,390.96 and 71,185,505.44 is: 106,755,755.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,775,945.12 : 325,095,390.96 = 71,185,505.44 : x
  2. Step 2: Convert to fraction form
    216,775,945.12/325,095,390.96 = 71,185,505.44/x
  3. Step 3: Cross multiply
    216,775,945.12x = 325,095,390.96 × 71,185,505.44
  4. Step 4: Simplify right side
    216,775,945.12x = 23,142,079,721,702,004
  5. Step 5: Solve for x
    x = 23,142,079,721,702,004/216,775,945.12
  6. Step 6: Final answer
    x = 106,755,755.16

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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.