Finding the Fourth Proportional to 149,791,625.80, 224,687,438.70 and 127,116,809.80
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Solution
The fourth proportional to 149,791,625.80, 224,687,438.70 and 127,116,809.80 is: 190,675,214.70
Step by Step Solution
- Step 1: Write the proportion equation
149,791,625.80 : 224,687,438.70 = 127,116,809.80 : x - Step 2: Convert to fraction form
149,791,625.80/224,687,438.70 = 127,116,809.80/x - Step 3: Cross multiply
149,791,625.80x = 224,687,438.70 × 127,116,809.80 - Step 4: Simplify right side
149,791,625.80x = 28,561,550,409,677,056 - Step 5: Solve for x
x = 28,561,550,409,677,056/149,791,625.80 - Step 6: Final answer
x = 190,675,214.70
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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.