Finding the Fourth Proportional to 240,125,159.68, 331,336,075.20 and 135,665,116.72
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Solution
The fourth proportional to 240,125,159.68, 331,336,075.20 and 135,665,116.72 is: 187,197,157.41
Step by Step Solution
- Step 1: Write the proportion equation
240,125,159.68 : 331,336,075.20 = 135,665,116.72 : x - Step 2: Convert to fraction form
240,125,159.68/331,336,075.20 = 135,665,116.72/x - Step 3: Cross multiply
240,125,159.68x = 331,336,075.20 × 135,665,116.72 - Step 4: Simplify right side
240,125,159.68x = 44,950,747,315,554,696 - Step 5: Solve for x
x = 44,950,747,315,554,696/240,125,159.68 - Step 6: Final answer
x = 187,197,157.41
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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.