Finding the Fourth Proportional to 225,325,363.40, 311,100,843.45 and 140,681,488.99
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Solution
The fourth proportional to 225,325,363.40, 311,100,843.45 and 140,681,488.99 is: 194,235,257.06
Step by Step Solution
- Step 1: Write the proportion equation
225,325,363.40 : 311,100,843.45 = 140,681,488.99 : x - Step 2: Convert to fraction form
225,325,363.40/311,100,843.45 = 140,681,488.99/x - Step 3: Cross multiply
225,325,363.40x = 311,100,843.45 × 140,681,488.99 - Step 4: Simplify right side
225,325,363.40x = 43,766,129,881,887,480 - Step 5: Solve for x
x = 43,766,129,881,887,480/225,325,363.40 - Step 6: Final answer
x = 194,235,257.06
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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.