Finding the Fourth Proportional to 135,305,392.13, 186,721,442.56 and 73,425,730.69
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Solution
The fourth proportional to 135,305,392.13, 186,721,442.56 and 73,425,730.69 is: 101,327,509.12
Step by Step Solution
- Step 1: Write the proportion equation
135,305,392.13 : 186,721,442.56 = 73,425,730.69 : x - Step 2: Convert to fraction form
135,305,392.13/186,721,442.56 = 73,425,730.69/x - Step 3: Cross multiply
135,305,392.13x = 186,721,442.56 × 73,425,730.69 - Step 4: Simplify right side
135,305,392.13x = 13,710,158,355,458,864 - Step 5: Solve for x
x = 13,710,158,355,458,864/135,305,392.13 - Step 6: Final answer
x = 101,327,509.12
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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.