Finding the Fourth Proportional to 64,440,432.09, 88,703,197.61 and 56,166,116.85
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Solution
The fourth proportional to 64,440,432.09, 88,703,197.61 and 56,166,116.85 is: 77,313,481.61
Step by Step Solution
- Step 1: Write the proportion equation
64,440,432.09 : 88,703,197.61 = 56,166,116.85 : x - Step 2: Convert to fraction form
64,440,432.09/88,703,197.61 = 56,166,116.85/x - Step 3: Cross multiply
64,440,432.09x = 88,703,197.61 × 56,166,116.85 - Step 4: Simplify right side
64,440,432.09x = 4,982,114,161,651,071 - Step 5: Solve for x
x = 4,982,114,161,651,071/64,440,432.09 - Step 6: Final answer
x = 77,313,481.61
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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.