Finding the Fourth Proportional to 302,781,427.68, 417,838,553.25 and 163,552,250.96
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Solution
The fourth proportional to 302,781,427.68, 417,838,553.25 and 163,552,250.96 is: 225,702,205.20
Step by Step Solution
- Step 1: Write the proportion equation
302,781,427.68 : 417,838,553.25 = 163,552,250.96 : x - Step 2: Convert to fraction form
302,781,427.68/417,838,553.25 = 163,552,250.96/x - Step 3: Cross multiply
302,781,427.68x = 417,838,553.25 × 163,552,250.96 - Step 4: Simplify right side
302,781,427.68x = 68,338,435,921,907,328 - Step 5: Solve for x
x = 68,338,435,921,907,328/302,781,427.68 - Step 6: Final answer
x = 225,702,205.20
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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.