Finding the Fourth Proportional to 122,474,858.90, 183,712,288.35 and 118,317,809.30
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Solution
The fourth proportional to 122,474,858.90, 183,712,288.35 and 118,317,809.30 is: 177,476,713.95
Step by Step Solution
- Step 1: Write the proportion equation
122,474,858.90 : 183,712,288.35 = 118,317,809.30 : x - Step 2: Convert to fraction form
122,474,858.90/183,712,288.35 = 118,317,809.30/x - Step 3: Cross multiply
122,474,858.90x = 183,712,288.35 × 118,317,809.30 - Step 4: Simplify right side
122,474,858.90x = 21,736,435,499,061,912 - Step 5: Solve for x
x = 21,736,435,499,061,912/122,474,858.90 - Step 6: Final answer
x = 177,476,713.95
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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.