Finding the Fourth Proportional to 49,518,055.52, 68,331,503.26 and 27,489,845.21
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Solution
The fourth proportional to 49,518,055.52, 68,331,503.26 and 27,489,845.21 is: 37,934,091.46
Step by Step Solution
- Step 1: Write the proportion equation
49,518,055.52 : 68,331,503.26 = 27,489,845.21 : x - Step 2: Convert to fraction form
49,518,055.52/68,331,503.26 = 27,489,845.21/x - Step 3: Cross multiply
49,518,055.52x = 68,331,503.26 × 27,489,845.21 - Step 4: Simplify right side
49,518,055.52x = 1,878,422,447,122,084.50 - Step 5: Solve for x
x = 1,878,422,447,122,084.50/49,518,055.52 - Step 6: Final answer
x = 37,934,091.46
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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.