Finding the Fourth Proportional to 135,297,051.86, 186,707,341.77 and 76,558,647.98
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Solution
The fourth proportional to 135,297,051.86, 186,707,341.77 and 76,558,647.98 is: 105,649,468.76
Step by Step Solution
- Step 1: Write the proportion equation
135,297,051.86 : 186,707,341.77 = 76,558,647.98 : x - Step 2: Convert to fraction form
135,297,051.86/186,707,341.77 = 76,558,647.98/x - Step 3: Cross multiply
135,297,051.86x = 186,707,341.77 × 76,558,647.98 - Step 4: Simplify right side
135,297,051.86x = 14,294,061,653,850,982 - Step 5: Solve for x
x = 14,294,061,653,850,982/135,297,051.86 - Step 6: Final answer
x = 105,649,468.76
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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.