Home / 274,344,418.40-378,909,511.56-180,677,278.72

Finding the Fourth Proportional to 274,344,418.40, 378,909,511.56 and 180,677,278.72

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Solution

The fourth proportional to 274,344,418.40, 378,909,511.56 and 180,677,278.72 is: 249,541,579.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,344,418.40 : 378,909,511.56 = 180,677,278.72 : x
  2. Step 2: Convert to fraction form
    274,344,418.40/378,909,511.56 = 180,677,278.72/x
  3. Step 3: Cross multiply
    274,344,418.40x = 378,909,511.56 × 180,677,278.72
  4. Step 4: Simplify right side
    274,344,418.40x = 68,460,339,429,785,184
  5. Step 5: Solve for x
    x = 68,460,339,429,785,184/274,344,418.40
  6. Step 6: Final answer
    x = 249,541,579.26

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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.