Finding the Fourth Proportional to 104,976,654.20, 157,464,981.30 and 97,323,903.80
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Solution
The fourth proportional to 104,976,654.20, 157,464,981.30 and 97,323,903.80 is: 145,985,855.70
Step by Step Solution
- Step 1: Write the proportion equation
104,976,654.20 : 157,464,981.30 = 97,323,903.80 : x - Step 2: Convert to fraction form
104,976,654.20/157,464,981.30 = 97,323,903.80/x - Step 3: Cross multiply
104,976,654.20x = 157,464,981.30 × 97,323,903.80 - Step 4: Simplify right side
104,976,654.20x = 15,325,106,691,910,000 - Step 5: Solve for x
x = 15,325,106,691,910,000/104,976,654.20 - Step 6: Final answer
x = 145,985,855.70
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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.