Finding the Fourth Proportional to 302,692,808.20, 417,716,071.49 and 163,463,557.66
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Solution
The fourth proportional to 302,692,808.20, 417,716,071.49 and 163,463,557.66 is: 225,579,707.50
Step by Step Solution
- Step 1: Write the proportion equation
302,692,808.20 : 417,716,071.49 = 163,463,557.66 : x - Step 2: Convert to fraction form
302,692,808.20/417,716,071.49 = 163,463,557.66/x - Step 3: Cross multiply
302,692,808.20x = 417,716,071.49 × 163,463,557.66 - Step 4: Simplify right side
302,692,808.20x = 68,281,355,137,514,296 - Step 5: Solve for x
x = 68,281,355,137,514,296/302,692,808.20 - Step 6: Final answer
x = 225,579,707.50
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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.