Finding the Fourth Proportional to 221,276,937.30, 331,915,405.95 and 119,240,265.30
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Solution
The fourth proportional to 221,276,937.30, 331,915,405.95 and 119,240,265.30 is: 178,860,397.95
Step by Step Solution
- Step 1: Write the proportion equation
221,276,937.30 : 331,915,405.95 = 119,240,265.30 : x - Step 2: Convert to fraction form
221,276,937.30/331,915,405.95 = 119,240,265.30/x - Step 3: Cross multiply
221,276,937.30x = 331,915,405.95 × 119,240,265.30 - Step 4: Simplify right side
221,276,937.30x = 39,577,681,062,635,200 - Step 5: Solve for x
x = 39,577,681,062,635,200/221,276,937.30 - Step 6: Final answer
x = 178,860,397.95
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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.