Finding the Fourth Proportional to 74,754,496.80, 112,131,745.20 and 73,746,727.20
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Solution
The fourth proportional to 74,754,496.80, 112,131,745.20 and 73,746,727.20 is: 110,620,090.80
Step by Step Solution
- Step 1: Write the proportion equation
74,754,496.80 : 112,131,745.20 = 73,746,727.20 : x - Step 2: Convert to fraction form
74,754,496.80/112,131,745.20 = 73,746,727.20/x - Step 3: Cross multiply
74,754,496.80x = 112,131,745.20 × 73,746,727.20 - Step 4: Simplify right side
74,754,496.80x = 8,269,349,223,724,310 - Step 5: Solve for x
x = 8,269,349,223,724,310/74,754,496.80 - Step 6: Final answer
x = 110,620,090.80
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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.