Finding the Fourth Proportional to 324,807,439.92, 487,239,801.09 and 91,640,191.92
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Solution
The fourth proportional to 324,807,439.92, 487,239,801.09 and 91,640,191.92 is: 137,468,368.62
Step by Step Solution
- Step 1: Write the proportion equation
324,807,439.92 : 487,239,801.09 = 91,640,191.92 : x - Step 2: Convert to fraction form
324,807,439.92/487,239,801.09 = 91,640,191.92/x - Step 3: Cross multiply
324,807,439.92x = 487,239,801.09 × 91,640,191.92 - Step 4: Simplify right side
324,807,439.92x = 44,650,748,882,950,224 - Step 5: Solve for x
x = 44,650,748,882,950,224/324,807,439.92 - Step 6: Final answer
x = 137,468,368.62
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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.