Finding the Fourth Proportional to 272,770,625.40, 376,436,899.98 and 155,298,282.36
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Solution
The fourth proportional to 272,770,625.40, 376,436,899.98 and 155,298,282.36 is: 214,319,279.79
Step by Step Solution
- Step 1: Write the proportion equation
272,770,625.40 : 376,436,899.98 = 155,298,282.36 : x - Step 2: Convert to fraction form
272,770,625.40/376,436,899.98 = 155,298,282.36/x - Step 3: Cross multiply
272,770,625.40x = 376,436,899.98 × 155,298,282.36 - Step 4: Simplify right side
272,770,625.40x = 58,460,003,983,817,128 - Step 5: Solve for x
x = 58,460,003,983,817,128/272,770,625.40 - Step 6: Final answer
x = 214,319,279.79
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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.