Finding the Fourth Proportional to 102,221,672.40, 153,256,879.80 and 48,305,998.80
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Solution
The fourth proportional to 102,221,672.40, 153,256,879.80 and 48,305,998.80 is: 72,423,258.96
Step by Step Solution
- Step 1: Write the proportion equation
102,221,672.40 : 153,256,879.80 = 48,305,998.80 : x - Step 2: Convert to fraction form
102,221,672.40/153,256,879.80 = 48,305,998.80/x - Step 3: Cross multiply
102,221,672.40x = 153,256,879.80 × 48,305,998.80 - Step 4: Simplify right side
102,221,672.40x = 7,403,226,651,710,544 - Step 5: Solve for x
x = 7,403,226,651,710,544/102,221,672.40 - Step 6: Final answer
x = 72,423,258.96
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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.