Finding the Fourth Proportional to 135,433,071.96, 186,909,166.22 and 76,706,184.26
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Solution
The fourth proportional to 135,433,071.96, 186,909,166.22 and 76,706,184.26 is: 105,861,062.85
Step by Step Solution
- Step 1: Write the proportion equation
135,433,071.96 : 186,909,166.22 = 76,706,184.26 : x - Step 2: Convert to fraction form
135,433,071.96/186,909,166.22 = 76,706,184.26/x - Step 3: Cross multiply
135,433,071.96x = 186,909,166.22 × 76,706,184.26 - Step 4: Simplify right side
135,433,071.96x = 14,337,088,942,636,210 - Step 5: Solve for x
x = 14,337,088,942,636,210/135,433,071.96 - Step 6: Final answer
x = 105,861,062.85
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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.