Finding the Fourth Proportional to 248,276,603.80, 342,569,293.50 and 143,848,316.08
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Solution
The fourth proportional to 248,276,603.80, 342,569,293.50 and 143,848,316.08 is: 198,480,304.86
Step by Step Solution
- Step 1: Write the proportion equation
248,276,603.80 : 342,569,293.50 = 143,848,316.08 : x - Step 2: Convert to fraction form
248,276,603.80/342,569,293.50 = 143,848,316.08/x - Step 3: Cross multiply
248,276,603.80x = 342,569,293.50 × 143,848,316.08 - Step 4: Simplify right side
248,276,603.80x = 49,278,016,010,690,296 - Step 5: Solve for x
x = 49,278,016,010,690,296/248,276,603.80 - Step 6: Final answer
x = 198,480,304.86
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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.