Finding the Fourth Proportional to 53,245,435.68, 73,478,460.96 and 28,799,091.36
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Solution
The fourth proportional to 53,245,435.68, 73,478,460.96 and 28,799,091.36 is: 39,742,616.12
Step by Step Solution
- Step 1: Write the proportion equation
53,245,435.68 : 73,478,460.96 = 28,799,091.36 : x - Step 2: Convert to fraction form
53,245,435.68/73,478,460.96 = 28,799,091.36/x - Step 3: Cross multiply
53,245,435.68x = 73,478,460.96 × 28,799,091.36 - Step 4: Simplify right side
53,245,435.68x = 2,116,112,910,179,233 - Step 5: Solve for x
x = 2,116,112,910,179,233/53,245,435.68 - Step 6: Final answer
x = 39,742,616.12
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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.