Finding the Fourth Proportional to 132,860,319.52, 183,347,355.84 and 74,122,996.80
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Solution
The fourth proportional to 132,860,319.52, 183,347,355.84 and 74,122,996.80 is: 102,289,799.69
Step by Step Solution
- Step 1: Write the proportion equation
132,860,319.52 : 183,347,355.84 = 74,122,996.80 : x - Step 2: Convert to fraction form
132,860,319.52/183,347,355.84 = 74,122,996.80/x - Step 3: Cross multiply
132,860,319.52x = 183,347,355.84 × 74,122,996.80 - Step 4: Simplify right side
132,860,319.52x = 13,590,255,470,216,782 - Step 5: Solve for x
x = 13,590,255,470,216,782/132,860,319.52 - Step 6: Final answer
x = 102,289,799.69
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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.