Finding the Fourth Proportional to 127,944,747.60, 191,539,207.80 and 84,862,597.20
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Solution
The fourth proportional to 127,944,747.60, 191,539,207.80 and 84,862,597.20 is: 127,043,235.02
Step by Step Solution
- Step 1: Write the proportion equation
127,944,747.60 : 191,539,207.80 = 84,862,597.20 : x - Step 2: Convert to fraction form
127,944,747.60/191,539,207.80 = 84,862,597.20/x - Step 3: Cross multiply
127,944,747.60x = 191,539,207.80 × 84,862,597.20 - Step 4: Simplify right side
127,944,747.60x = 16,254,514,639,538,500 - Step 5: Solve for x
x = 16,254,514,639,538,500/127,944,747.60 - Step 6: Final answer
x = 127,043,235.02
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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.