Finding the Fourth Proportional to 168,759,186.57, 232,873,600.19 and 156,420,307.53
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Solution
The fourth proportional to 168,759,186.57, 232,873,600.19 and 156,420,307.53 is: 215,846,976.37
Step by Step Solution
- Step 1: Write the proportion equation
168,759,186.57 : 232,873,600.19 = 156,420,307.53 : x - Step 2: Convert to fraction form
168,759,186.57/232,873,600.19 = 156,420,307.53/x - Step 3: Cross multiply
168,759,186.57x = 232,873,600.19 × 156,420,307.53 - Step 4: Simplify right side
168,759,186.57x = 36,426,160,156,555,968 - Step 5: Solve for x
x = 36,426,160,156,555,968/168,759,186.57 - Step 6: Final answer
x = 215,846,976.37
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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.