Finding the Fourth Proportional to 149,236,375.36, 205,940,760.88 and 83,153,459.20
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Solution
The fourth proportional to 149,236,375.36, 205,940,760.88 and 83,153,459.20 is: 114,748,744.17
Step by Step Solution
- Step 1: Write the proportion equation
149,236,375.36 : 205,940,760.88 = 83,153,459.20 : x - Step 2: Convert to fraction form
149,236,375.36/205,940,760.88 = 83,153,459.20/x - Step 3: Cross multiply
149,236,375.36x = 205,940,760.88 × 83,153,459.20 - Step 4: Simplify right side
149,236,375.36x = 17,124,686,657,452,036 - Step 5: Solve for x
x = 17,124,686,657,452,036/149,236,375.36 - Step 6: Final answer
x = 114,748,744.17
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.