Finding the Fourth Proportional to 163,877,358.35, 226,150,997.70 and 93,313,026.08
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Solution
The fourth proportional to 163,877,358.35, 226,150,997.70 and 93,313,026.08 is: 128,772,114.46
Step by Step Solution
- Step 1: Write the proportion equation
163,877,358.35 : 226,150,997.70 = 93,313,026.08 : x - Step 2: Convert to fraction form
163,877,358.35/226,150,997.70 = 93,313,026.08/x - Step 3: Cross multiply
163,877,358.35x = 226,150,997.70 × 93,313,026.08 - Step 4: Simplify right side
163,877,358.35x = 21,102,833,946,398,120 - Step 5: Solve for x
x = 21,102,833,946,398,120/163,877,358.35 - Step 6: Final answer
x = 128,772,114.46
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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.