Finding the Fourth Proportional to 128,010,659.48, 191,994,350.06 and 35,873,207.80
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Solution
The fourth proportional to 128,010,659.48, 191,994,350.06 and 35,873,207.80 is: 53,803,747.63
Step by Step Solution
- Step 1: Write the proportion equation
128,010,659.48 : 191,994,350.06 = 35,873,207.80 : x - Step 2: Convert to fraction form
128,010,659.48/191,994,350.06 = 35,873,207.80/x - Step 3: Cross multiply
128,010,659.48x = 191,994,350.06 × 35,873,207.80 - Step 4: Simplify right side
128,010,659.48x = 6,887,453,216,128,322 - Step 5: Solve for x
x = 6,887,453,216,128,322/128,010,659.48 - Step 6: Final answer
x = 53,803,747.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.