Finding the Fourth Proportional to 53,348,190.76, 73,620,578.19 and 28,901,904.76
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Solution
The fourth proportional to 53,348,190.76, 73,620,578.19 and 28,901,904.76 is: 39,884,669.17
Step by Step Solution
- Step 1: Write the proportion equation
53,348,190.76 : 73,620,578.19 = 28,901,904.76 : x - Step 2: Convert to fraction form
53,348,190.76/73,620,578.19 = 28,901,904.76/x - Step 3: Cross multiply
53,348,190.76x = 73,620,578.19 × 28,901,904.76 - Step 4: Simplify right side
53,348,190.76x = 2,127,774,939,223,513.25 - Step 5: Solve for x
x = 2,127,774,939,223,513.25/53,348,190.76 - Step 6: Final answer
x = 39,884,669.17
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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.