Finding the Fourth Proportional to 168,816,014.70, 236,879,897.70 and 168,816,014.70
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Solution
The fourth proportional to 168,816,014.70, 236,879,897.70 and 168,816,014.70 is: 236,879,897.70
Step by Step Solution
- Step 1: Write the proportion equation
168,816,014.70 : 236,879,897.70 = 168,816,014.70 : x - Step 2: Convert to fraction form
168,816,014.70/236,879,897.70 = 168,816,014.70/x - Step 3: Cross multiply
168,816,014.70x = 236,879,897.70 × 168,816,014.70 - Step 4: Simplify right side
168,816,014.70x = 39,989,120,292,257,688 - Step 5: Solve for x
x = 39,989,120,292,257,688/168,816,014.70 - Step 6: Final answer
x = 236,879,897.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.