Finding the Fourth Proportional to 115,596,770.12, 159,369,221.98 and 91,833,245.02
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Solution
The fourth proportional to 115,596,770.12, 159,369,221.98 and 91,833,245.02 is: 126,607,281.46
Step by Step Solution
- Step 1: Write the proportion equation
115,596,770.12 : 159,369,221.98 = 91,833,245.02 : x - Step 2: Convert to fraction form
115,596,770.12/159,369,221.98 = 91,833,245.02/x - Step 3: Cross multiply
115,596,770.12x = 159,369,221.98 × 91,833,245.02 - Step 4: Simplify right side
115,596,770.12x = 14,635,392,810,736,108 - Step 5: Solve for x
x = 14,635,392,810,736,108/115,596,770.12 - Step 6: Final answer
x = 126,607,281.46
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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.