Finding the Fourth Proportional to 207,234,592.49, 286,008,818.04 and 117,948,246.72
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Solution
The fourth proportional to 207,234,592.49, 286,008,818.04 and 117,948,246.72 is: 162,782,855.07
Step by Step Solution
- Step 1: Write the proportion equation
207,234,592.49 : 286,008,818.04 = 117,948,246.72 : x - Step 2: Convert to fraction form
207,234,592.49/286,008,818.04 = 117,948,246.72/x - Step 3: Cross multiply
207,234,592.49x = 286,008,818.04 × 117,948,246.72 - Step 4: Simplify right side
207,234,592.49x = 33,734,238,634,277,508 - Step 5: Solve for x
x = 33,734,238,634,277,508/207,234,592.49 - Step 6: Final answer
x = 162,782,855.07
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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.