Finding the Fourth Proportional to 113,312,342.40, 169,744,564.80 and 62,102,716.80
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Solution
The fourth proportional to 113,312,342.40, 169,744,564.80 and 62,102,716.80 is: 93,031,336.33
Step by Step Solution
- Step 1: Write the proportion equation
113,312,342.40 : 169,744,564.80 = 62,102,716.80 : x - Step 2: Convert to fraction form
113,312,342.40/169,744,564.80 = 62,102,716.80/x - Step 3: Cross multiply
113,312,342.40x = 169,744,564.80 × 62,102,716.80 - Step 4: Simplify right side
113,312,342.40x = 10,541,598,636,113,648 - Step 5: Solve for x
x = 10,541,598,636,113,648/113,312,342.40 - Step 6: Final answer
x = 93,031,336.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.