Finding the Fourth Proportional to 79,993,206.45, 119,989,809.98 and 22,485,477.62
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Solution
The fourth proportional to 79,993,206.45, 119,989,809.98 and 22,485,477.62 is: 33,728,216.51
Step by Step Solution
- Step 1: Write the proportion equation
79,993,206.45 : 119,989,809.98 = 22,485,477.62 : x - Step 2: Convert to fraction form
79,993,206.45/119,989,809.98 = 22,485,477.62/x - Step 3: Cross multiply
79,993,206.45x = 119,989,809.98 × 22,485,477.62 - Step 4: Simplify right side
79,993,206.45x = 2,698,028,186,220,966 - Step 5: Solve for x
x = 2,698,028,186,220,966/79,993,206.45 - Step 6: Final answer
x = 33,728,216.51
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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.