Finding the Fourth Proportional to 79,959,865.80, 119,947,118.34 and 22,451,749.08
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Solution
The fourth proportional to 79,959,865.80, 119,947,118.34 and 22,451,749.08 is: 33,679,678.89
Step by Step Solution
- Step 1: Write the proportion equation
79,959,865.80 : 119,947,118.34 = 22,451,749.08 : x - Step 2: Convert to fraction form
79,959,865.80/119,947,118.34 = 22,451,749.08/x - Step 3: Cross multiply
79,959,865.80x = 119,947,118.34 × 22,451,749.08 - Step 4: Simplify right side
79,959,865.80x = 2,693,022,603,838,746 - Step 5: Solve for x
x = 2,693,022,603,838,746/79,959,865.80 - Step 6: Final answer
x = 33,679,678.89
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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.