Home / 274,198,021.34-378,293,973.39-180,162,784.08

Finding the Fourth Proportional to 274,198,021.34, 378,293,973.39 and 180,162,784.08

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Solution

The fourth proportional to 274,198,021.34, 378,293,973.39 and 180,162,784.08 is: 248,559,399.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,198,021.34 : 378,293,973.39 = 180,162,784.08 : x
  2. Step 2: Convert to fraction form
    274,198,021.34/378,293,973.39 = 180,162,784.08/x
  3. Step 3: Cross multiply
    274,198,021.34x = 378,293,973.39 × 180,162,784.08
  4. Step 4: Simplify right side
    274,198,021.34x = 68,154,495,446,627,840
  5. Step 5: Solve for x
    x = 68,154,495,446,627,840/274,198,021.34
  6. Step 6: Final answer
    x = 248,559,399.21

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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.