Finding the Fourth Proportional to 268,703,369.40, 370,770,655.86 and 151,221,693.30
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Solution
The fourth proportional to 268,703,369.40, 370,770,655.86 and 151,221,693.30 is: 208,663,428.86
Step by Step Solution
- Step 1: Write the proportion equation
268,703,369.40 : 370,770,655.86 = 151,221,693.30 : x - Step 2: Convert to fraction form
268,703,369.40/370,770,655.86 = 151,221,693.30/x - Step 3: Cross multiply
268,703,369.40x = 370,770,655.86 × 151,221,693.30 - Step 4: Simplify right side
268,703,369.40x = 56,068,566,405,100,776 - Step 5: Solve for x
x = 56,068,566,405,100,776/268,703,369.40 - Step 6: Final answer
x = 208,663,428.86
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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.