Finding the Fourth Proportional to 118,319,695.80, 177,479,543.70 and 67,301,359.80
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Solution
The fourth proportional to 118,319,695.80, 177,479,543.70 and 67,301,359.80 is: 100,952,039.70
Step by Step Solution
- Step 1: Write the proportion equation
118,319,695.80 : 177,479,543.70 = 67,301,359.80 : x - Step 2: Convert to fraction form
118,319,695.80/177,479,543.70 = 67,301,359.80/x - Step 3: Cross multiply
118,319,695.80x = 177,479,543.70 × 67,301,359.80 - Step 4: Simplify right side
118,319,695.80x = 11,944,614,627,693,522 - Step 5: Solve for x
x = 11,944,614,627,693,522/118,319,695.80 - Step 6: Final answer
x = 100,952,039.70
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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.