Home / 274,726,463.71-412,153,436.13-90,487,328.21

Finding the Fourth Proportional to 274,726,463.71, 412,153,436.13 and 90,487,328.21

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Solution

The fourth proportional to 274,726,463.71, 412,153,436.13 and 90,487,328.21 is: 135,751,986.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,726,463.71 : 412,153,436.13 = 90,487,328.21 : x
  2. Step 2: Convert to fraction form
    274,726,463.71/412,153,436.13 = 90,487,328.21/x
  3. Step 3: Cross multiply
    274,726,463.71x = 412,153,436.13 × 90,487,328.21
  4. Step 4: Simplify right side
    274,726,463.71x = 37,294,663,246,083,024
  5. Step 5: Solve for x
    x = 37,294,663,246,083,024/274,726,463.71
  6. Step 6: Final answer
    x = 135,751,986.70

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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.