Finding the Fourth Proportional to 232,297,305.12, 348,449,652.51 and 129,321,032.31
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Solution
The fourth proportional to 232,297,305.12, 348,449,652.51 and 129,321,032.31 is: 193,983,605.39
Step by Step Solution
- Step 1: Write the proportion equation
232,297,305.12 : 348,449,652.51 = 129,321,032.31 : x - Step 2: Convert to fraction form
232,297,305.12/348,449,652.51 = 129,321,032.31/x - Step 3: Cross multiply
232,297,305.12x = 348,449,652.51 × 129,321,032.31 - Step 4: Simplify right side
232,297,305.12x = 45,061,868,770,653,984 - Step 5: Solve for x
x = 45,061,868,770,653,984/232,297,305.12 - Step 6: Final answer
x = 193,983,605.39
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1.5x scale
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.