Finding the Fourth Proportional to 135,762,872.16, 187,392,242.70 and 88,727,021.40
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Solution
The fourth proportional to 135,762,872.16, 187,392,242.70 and 88,727,021.40 is: 122,469,090.88
Step by Step Solution
- Step 1: Write the proportion equation
135,762,872.16 : 187,392,242.70 = 88,727,021.40 : x - Step 2: Convert to fraction form
135,762,872.16/187,392,242.70 = 88,727,021.40/x - Step 3: Cross multiply
135,762,872.16x = 187,392,242.70 × 88,727,021.40 - Step 4: Simplify right side
135,762,872.16x = 16,626,755,528,236,894 - Step 5: Solve for x
x = 16,626,755,528,236,894/135,762,872.16 - Step 6: Final answer
x = 122,469,090.88
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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.