Finding the Fourth Proportional to 134,788,563.60, 202,182,845.40 and 129,497,773.20
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Solution
The fourth proportional to 134,788,563.60, 202,182,845.40 and 129,497,773.20 is: 194,246,659.80
Step by Step Solution
- Step 1: Write the proportion equation
134,788,563.60 : 202,182,845.40 = 129,497,773.20 : x - Step 2: Convert to fraction form
134,788,563.60/202,182,845.40 = 129,497,773.20/x - Step 3: Cross multiply
134,788,563.60x = 202,182,845.40 × 129,497,773.20 - Step 4: Simplify right side
134,788,563.60x = 26,182,228,258,539,864 - Step 5: Solve for x
x = 26,182,228,258,539,864/134,788,563.60 - Step 6: Final answer
x = 194,246,659.80
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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.