Finding the Fourth Proportional to 255,827,605.58, 353,043,152.99 and 138,352,933.38
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Solution
The fourth proportional to 255,827,605.58, 353,043,152.99 and 138,352,933.38 is: 190,927,619.86
Step by Step Solution
- Step 1: Write the proportion equation
255,827,605.58 : 353,043,152.99 = 138,352,933.38 : x - Step 2: Convert to fraction form
255,827,605.58/353,043,152.99 = 138,352,933.38/x - Step 3: Cross multiply
255,827,605.58x = 353,043,152.99 × 138,352,933.38 - Step 4: Simplify right side
255,827,605.58x = 48,844,555,826,829,848 - Step 5: Solve for x
x = 48,844,555,826,829,848/255,827,605.58 - Step 6: Final answer
x = 190,927,619.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.