Home / 274,344,521.70-378,909,653.04-180,677,382.06

Finding the Fourth Proportional to 274,344,521.70, 378,909,653.04 and 180,677,382.06

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Solution

The fourth proportional to 274,344,521.70, 378,909,653.04 and 180,677,382.06 is: 249,541,721.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,344,521.70 : 378,909,653.04 = 180,677,382.06 : x
  2. Step 2: Convert to fraction form
    274,344,521.70/378,909,653.04 = 180,677,382.06/x
  3. Step 3: Cross multiply
    274,344,521.70x = 378,909,653.04 × 180,677,382.06
  4. Step 4: Simplify right side
    274,344,521.70x = 68,460,404,148,530,128
  5. Step 5: Solve for x
    x = 68,460,404,148,530,128/274,344,521.70
  6. Step 6: Final answer
    x = 249,541,721.21

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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.