Finding the Fourth Proportional to 302,781,424.37, 417,838,548.69 and 163,552,247.65
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Solution
The fourth proportional to 302,781,424.37, 417,838,548.69 and 163,552,247.65 is: 225,702,200.63
Step by Step Solution
- Step 1: Write the proportion equation
302,781,424.37 : 417,838,548.69 = 163,552,247.65 : x - Step 2: Convert to fraction form
302,781,424.37/417,838,548.69 = 163,552,247.65/x - Step 3: Cross multiply
302,781,424.37x = 417,838,548.69 × 163,552,247.65 - Step 4: Simplify right side
302,781,424.37x = 68,338,433,790,156,512 - Step 5: Solve for x
x = 68,338,433,790,156,512/302,781,424.37 - Step 6: Final answer
x = 225,702,200.63
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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.