Finding the Fourth Proportional to 122,474,859.40, 183,712,289.10 and 118,317,809.80
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Solution
The fourth proportional to 122,474,859.40, 183,712,289.10 and 118,317,809.80 is: 177,476,714.70
Step by Step Solution
- Step 1: Write the proportion equation
122,474,859.40 : 183,712,289.10 = 118,317,809.80 : x - Step 2: Convert to fraction form
122,474,859.40/183,712,289.10 = 118,317,809.80/x - Step 3: Cross multiply
122,474,859.40x = 183,712,289.10 × 118,317,809.80 - Step 4: Simplify right side
122,474,859.40x = 21,736,435,679,656,412 - Step 5: Solve for x
x = 21,736,435,679,656,412/122,474,859.40 - Step 6: Final answer
x = 177,476,714.70
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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.