Finding the Fourth Proportional to 155,338,279.20, 214,447,422.60 and 113,475,343.32
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Solution
The fourth proportional to 155,338,279.20, 214,447,422.60 and 113,475,343.32 is: 156,654,850.49
Step by Step Solution
- Step 1: Write the proportion equation
155,338,279.20 : 214,447,422.60 = 113,475,343.32 : x - Step 2: Convert to fraction form
155,338,279.20/214,447,422.60 = 113,475,343.32/x - Step 3: Cross multiply
155,338,279.20x = 214,447,422.60 × 113,475,343.32 - Step 4: Simplify right side
155,338,279.20x = 24,334,494,903,624,124 - Step 5: Solve for x
x = 24,334,494,903,624,124/155,338,279.20 - Step 6: Final answer
x = 156,654,850.49
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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.