Home / 282,609,331.78-389,943,705.27-165,111,969.46

Finding the Fourth Proportional to 282,609,331.78, 389,943,705.27 and 165,111,969.46

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Solution

The fourth proportional to 282,609,331.78, 389,943,705.27 and 165,111,969.46 is: 227,821,115.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,609,331.78 : 389,943,705.27 = 165,111,969.46 : x
  2. Step 2: Convert to fraction form
    282,609,331.78/389,943,705.27 = 165,111,969.46/x
  3. Step 3: Cross multiply
    282,609,331.78x = 389,943,705.27 × 165,111,969.46
  4. Step 4: Simplify right side
    282,609,331.78x = 64,384,373,155,659,480
  5. Step 5: Solve for x
    x = 64,384,373,155,659,480/282,609,331.78
  6. Step 6: Final answer
    x = 227,821,115.28

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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.