Finding the Fourth Proportional to 129,029,529.60, 193,544,294.40 and 118,727,884.80
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Solution
The fourth proportional to 129,029,529.60, 193,544,294.40 and 118,727,884.80 is: 178,091,827.20
Step by Step Solution
- Step 1: Write the proportion equation
129,029,529.60 : 193,544,294.40 = 118,727,884.80 : x - Step 2: Convert to fraction form
129,029,529.60/193,544,294.40 = 118,727,884.80/x - Step 3: Cross multiply
129,029,529.60x = 193,544,294.40 × 118,727,884.80 - Step 4: Simplify right side
129,029,529.60x = 22,979,104,689,220,484 - Step 5: Solve for x
x = 22,979,104,689,220,484/129,029,529.60 - Step 6: Final answer
x = 178,091,827.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.