Finding the Fourth Proportional to 157,092,287.38, 235,476,748.81 and 69,694,963.50
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Solution
The fourth proportional to 157,092,287.38, 235,476,748.81 and 69,694,963.50 is: 104,470,713.92
Step by Step Solution
- Step 1: Write the proportion equation
157,092,287.38 : 235,476,748.81 = 69,694,963.50 : x - Step 2: Convert to fraction form
157,092,287.38/235,476,748.81 = 69,694,963.50/x - Step 3: Cross multiply
157,092,287.38x = 235,476,748.81 × 69,694,963.50 - Step 4: Simplify right side
157,092,287.38x = 16,411,543,413,411,618 - Step 5: Solve for x
x = 16,411,543,413,411,618/157,092,287.38 - Step 6: Final answer
x = 104,470,713.92
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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.