Finding the Fourth Proportional to 186,734,129.70, 280,101,194.55 and 118,877,643.30
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Solution
The fourth proportional to 186,734,129.70, 280,101,194.55 and 118,877,643.30 is: 178,316,464.95
Step by Step Solution
- Step 1: Write the proportion equation
186,734,129.70 : 280,101,194.55 = 118,877,643.30 : x - Step 2: Convert to fraction form
186,734,129.70/280,101,194.55 = 118,877,643.30/x - Step 3: Cross multiply
186,734,129.70x = 280,101,194.55 × 118,877,643.30 - Step 4: Simplify right side
186,734,129.70x = 33,297,769,893,618,804 - Step 5: Solve for x
x = 33,297,769,893,618,804/186,734,129.70 - Step 6: Final answer
x = 178,316,464.95
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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.