Finding the Fourth Proportional to 136,310,885.24, 189,378,952.56 and 134,676,454.95
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Solution
The fourth proportional to 136,310,885.24, 189,378,952.56 and 134,676,454.95 is: 187,108,211.71
Step by Step Solution
- Step 1: Write the proportion equation
136,310,885.24 : 189,378,952.56 = 134,676,454.95 : x - Step 2: Convert to fraction form
136,310,885.24/189,378,952.56 = 134,676,454.95/x - Step 3: Cross multiply
136,310,885.24x = 189,378,952.56 × 134,676,454.95 - Step 4: Simplify right side
136,310,885.24x = 25,504,885,972,925,024 - Step 5: Solve for x
x = 25,504,885,972,925,024/136,310,885.24 - Step 6: Final answer
x = 187,108,211.71
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These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.