Finding the Fourth Proportional to 248,385,152.14, 342,773,776.81 and 136,879,993.75
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Solution
The fourth proportional to 248,385,152.14, 342,773,776.81 and 136,879,993.75 is: 188,895,640.59
Step by Step Solution
- Step 1: Write the proportion equation
248,385,152.14 : 342,773,776.81 = 136,879,993.75 : x - Step 2: Convert to fraction form
248,385,152.14/342,773,776.81 = 136,879,993.75/x - Step 3: Cross multiply
248,385,152.14x = 342,773,776.81 × 136,879,993.75 - Step 4: Simplify right side
248,385,152.14x = 46,918,872,426,732,296 - Step 5: Solve for x
x = 46,918,872,426,732,296/248,385,152.14 - Step 6: Final answer
x = 188,895,640.59
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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.