Finding the Fourth Proportional to 248,235,506.24, 342,567,309.08 and 136,730,305.20
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Solution
The fourth proportional to 248,235,506.24, 342,567,309.08 and 136,730,305.20 is: 188,689,093.80
Step by Step Solution
- Step 1: Write the proportion equation
248,235,506.24 : 342,567,309.08 = 136,730,305.20 : x - Step 2: Convert to fraction form
248,235,506.24/342,567,309.08 = 136,730,305.20/x - Step 3: Cross multiply
248,235,506.24x = 342,567,309.08 × 136,730,305.20 - Step 4: Simplify right side
248,235,506.24x = 46,839,332,722,051,128 - Step 5: Solve for x
x = 46,839,332,722,051,128/248,235,506.24 - Step 6: Final answer
x = 188,689,093.80
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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.