Finding the Fourth Proportional to 252,710,317.44, 348,718,593.96 and 145,423,115.28
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Solution
The fourth proportional to 252,710,317.44, 348,718,593.96 and 145,423,115.28 is: 200,671,443.90
Step by Step Solution
- Step 1: Write the proportion equation
252,710,317.44 : 348,718,593.96 = 145,423,115.28 : x - Step 2: Convert to fraction form
252,710,317.44/348,718,593.96 = 145,423,115.28/x - Step 3: Cross multiply
252,710,317.44x = 348,718,593.96 × 145,423,115.28 - Step 4: Simplify right side
252,710,317.44x = 50,711,744,289,724,592 - Step 5: Solve for x
x = 50,711,744,289,724,592/252,710,317.44 - Step 6: Final answer
x = 200,671,443.90
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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.