Finding the Fourth Proportional to 126,104,069.79, 189,164,084.81 and 53,307,279.99
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Solution
The fourth proportional to 126,104,069.79, 189,164,084.81 and 53,307,279.99 is: 79,964,293.38
Step by Step Solution
- Step 1: Write the proportion equation
126,104,069.79 : 189,164,084.81 = 53,307,279.99 : x - Step 2: Convert to fraction form
126,104,069.79/189,164,084.81 = 53,307,279.99/x - Step 3: Cross multiply
126,104,069.79x = 189,164,084.81 × 53,307,279.99 - Step 4: Simplify right side
126,104,069.79x = 10,083,822,832,752,240 - Step 5: Solve for x
x = 10,083,822,832,752,240/126,104,069.79 - Step 6: Final answer
x = 79,964,293.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.