Finding the Fourth Proportional to 125,830,012.32, 188,751,744.84 and 39,575,145.12
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Solution
The fourth proportional to 125,830,012.32, 188,751,744.84 and 39,575,145.12 is: 59,364,833.21
Step by Step Solution
- Step 1: Write the proportion equation
125,830,012.32 : 188,751,744.84 = 39,575,145.12 : x - Step 2: Convert to fraction form
125,830,012.32/188,751,744.84 = 39,575,145.12/x - Step 3: Cross multiply
125,830,012.32x = 188,751,744.84 × 39,575,145.12 - Step 4: Simplify right side
125,830,012.32x = 7,469,877,693,696,211 - Step 5: Solve for x
x = 7,469,877,693,696,211/125,830,012.32 - Step 6: Final answer
x = 59,364,833.21
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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.