Finding the Fourth Proportional to 163,577,964.57, 225,733,958.15 and 90,239,087.13
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Solution
The fourth proportional to 163,577,964.57, 225,733,958.15 and 90,239,087.13 is: 124,527,936.09
Step by Step Solution
- Step 1: Write the proportion equation
163,577,964.57 : 225,733,958.15 = 90,239,087.13 : x - Step 2: Convert to fraction form
163,577,964.57/225,733,958.15 = 90,239,087.13/x - Step 3: Cross multiply
163,577,964.57x = 225,733,958.15 × 90,239,087.13 - Step 4: Simplify right side
163,577,964.57x = 20,370,026,317,697,624 - Step 5: Solve for x
x = 20,370,026,317,697,624/163,577,964.57 - Step 6: Final answer
x = 124,527,936.09
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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.