Finding the Fourth Proportional to 53,072,644.29, 79,639,302.84 and 28,813,543.62
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Solution
The fourth proportional to 53,072,644.29, 79,639,302.84 and 28,813,543.62 is: 43,236,785.30
Step by Step Solution
- Step 1: Write the proportion equation
53,072,644.29 : 79,639,302.84 = 28,813,543.62 : x - Step 2: Convert to fraction form
53,072,644.29/79,639,302.84 = 28,813,543.62/x - Step 3: Cross multiply
53,072,644.29x = 79,639,302.84 × 28,813,543.62 - Step 4: Simplify right side
53,072,644.29x = 2,294,690,526,246,730 - Step 5: Solve for x
x = 2,294,690,526,246,730/53,072,644.29 - Step 6: Final answer
x = 43,236,785.30
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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.