Finding the Fourth Proportional to 248,795,101.51, 343,344,525.23 and 135,771,876.14
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Solution
The fourth proportional to 248,795,101.51, 343,344,525.23 and 135,771,876.14 is: 187,369,164.71
Step by Step Solution
- Step 1: Write the proportion equation
248,795,101.51 : 343,344,525.23 = 135,771,876.14 : x - Step 2: Convert to fraction form
248,795,101.51/343,344,525.23 = 135,771,876.14/x - Step 3: Cross multiply
248,795,101.51x = 343,344,525.23 × 135,771,876.14 - Step 4: Simplify right side
248,795,101.51x = 46,616,530,353,054,176 - Step 5: Solve for x
x = 46,616,530,353,054,176/248,795,101.51 - Step 6: Final answer
x = 187,369,164.71
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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.