Finding the Fourth Proportional to 302,781,464.53, 417,838,604.15 and 163,552,287.80
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Solution
The fourth proportional to 302,781,464.53, 417,838,604.15 and 163,552,287.80 is: 225,702,256.07
Step by Step Solution
- Step 1: Write the proportion equation
302,781,464.53 : 417,838,604.15 = 163,552,287.80 : x - Step 2: Convert to fraction form
302,781,464.53/417,838,604.15 = 163,552,287.80/x - Step 3: Cross multiply
302,781,464.53x = 417,838,604.15 × 163,552,287.80 - Step 4: Simplify right side
302,781,464.53x = 68,338,459,639,891,072 - Step 5: Solve for x
x = 68,338,459,639,891,072/302,781,464.53 - Step 6: Final answer
x = 225,702,256.07
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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.