Finding the Fourth Proportional to 91,392,783.48, 126,122,031.93 and 51,699,466.11
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Solution
The fourth proportional to 91,392,783.48, 126,122,031.93 and 51,699,466.11 is: 71,345,257.99
Step by Step Solution
- Step 1: Write the proportion equation
91,392,783.48 : 126,122,031.93 = 51,699,466.11 : x - Step 2: Convert to fraction form
91,392,783.48/126,122,031.93 = 51,699,466.11/x - Step 3: Cross multiply
91,392,783.48x = 126,122,031.93 × 51,699,466.11 - Step 4: Simplify right side
91,392,783.48x = 6,520,441,715,489,373 - Step 5: Solve for x
x = 6,520,441,715,489,373/91,392,783.48 - Step 6: Final answer
x = 71,345,257.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.