Finding the Fourth Proportional to 163,378,045.80, 229,303,220.40 and 163,378,045.80
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Solution
The fourth proportional to 163,378,045.80, 229,303,220.40 and 163,378,045.80 is: 229,303,220.40
Step by Step Solution
- Step 1: Write the proportion equation
163,378,045.80 : 229,303,220.40 = 163,378,045.80 : x - Step 2: Convert to fraction form
163,378,045.80/229,303,220.40 = 163,378,045.80/x - Step 3: Cross multiply
163,378,045.80x = 229,303,220.40 × 163,378,045.80 - Step 4: Simplify right side
163,378,045.80x = 37,463,112,044,598,696 - Step 5: Solve for x
x = 37,463,112,044,598,696/163,378,045.80 - Step 6: Final answer
x = 229,303,220.40
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1.5x scale
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.