Finding the Fourth Proportional to 106,904,738.18, 147,528,538.70 and 58,012,166.18
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Solution
The fourth proportional to 106,904,738.18, 147,528,538.70 and 58,012,166.18 is: 80,056,789.33
Step by Step Solution
- Step 1: Write the proportion equation
106,904,738.18 : 147,528,538.70 = 58,012,166.18 : x - Step 2: Convert to fraction form
106,904,738.18/147,528,538.70 = 58,012,166.18/x - Step 3: Cross multiply
106,904,738.18x = 147,528,538.70 × 58,012,166.18 - Step 4: Simplify right side
106,904,738.18x = 8,558,450,103,356,960 - Step 5: Solve for x
x = 8,558,450,103,356,960/106,904,738.18 - Step 6: Final answer
x = 80,056,789.33
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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.