Finding the Fourth Proportional to 171,407,455.18, 236,556,876.33 and 97,081,237.75
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Solution
The fourth proportional to 171,407,455.18, 236,556,876.33 and 97,081,237.75 is: 133,980,370.51
Step by Step Solution
- Step 1: Write the proportion equation
171,407,455.18 : 236,556,876.33 = 97,081,237.75 : x - Step 2: Convert to fraction form
171,407,455.18/236,556,876.33 = 97,081,237.75/x - Step 3: Cross multiply
171,407,455.18x = 236,556,876.33 × 97,081,237.75 - Step 4: Simplify right side
171,407,455.18x = 22,965,234,352,390,080 - Step 5: Solve for x
x = 22,965,234,352,390,080/171,407,455.18 - Step 6: Final answer
x = 133,980,370.51
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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.