Finding the Fourth Proportional to 243,998,120.22, 336,727,060.63 and 136,708,368.08
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Solution
The fourth proportional to 243,998,120.22, 336,727,060.63 and 136,708,368.08 is: 188,662,957.34
Step by Step Solution
- Step 1: Write the proportion equation
243,998,120.22 : 336,727,060.63 = 136,708,368.08 : x - Step 2: Convert to fraction form
243,998,120.22/336,727,060.63 = 136,708,368.08/x - Step 3: Cross multiply
243,998,120.22x = 336,727,060.63 × 136,708,368.08 - Step 4: Simplify right side
243,998,120.22x = 46,033,406,947,355,032 - Step 5: Solve for x
x = 46,033,406,947,355,032/243,998,120.22 - Step 6: Final answer
x = 188,662,957.34
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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.