Finding the Fourth Proportional to 307,681,857.10, 424,600,767.75 and 168,452,581.96
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Solution
The fourth proportional to 307,681,857.10, 424,600,767.75 and 168,452,581.96 is: 232,464,456.32
Step by Step Solution
- Step 1: Write the proportion equation
307,681,857.10 : 424,600,767.75 = 168,452,581.96 : x - Step 2: Convert to fraction form
307,681,857.10/424,600,767.75 = 168,452,581.96/x - Step 3: Cross multiply
307,681,857.10x = 424,600,767.75 × 168,452,581.96 - Step 4: Simplify right side
307,681,857.10x = 71,525,095,629,685,800 - Step 5: Solve for x
x = 71,525,095,629,685,800/307,681,857.10 - Step 6: Final answer
x = 232,464,456.32
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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.