Finding the Fourth Proportional to 159,495,546.70, 239,243,320.05 and 91,282,141.90
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Solution
The fourth proportional to 159,495,546.70, 239,243,320.05 and 91,282,141.90 is: 136,923,212.85
Step by Step Solution
- Step 1: Write the proportion equation
159,495,546.70 : 239,243,320.05 = 91,282,141.90 : x - Step 2: Convert to fraction form
159,495,546.70/239,243,320.05 = 91,282,141.90/x - Step 3: Cross multiply
159,495,546.70x = 239,243,320.05 × 91,282,141.90 - Step 4: Simplify right side
159,495,546.70x = 21,838,642,689,431,216 - Step 5: Solve for x
x = 21,838,642,689,431,216/159,495,546.70 - Step 6: Final answer
x = 136,923,212.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.