Finding the Fourth Proportional to 201,955,474.61, 278,686,543.97 and 117,176,025.80
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Solution
The fourth proportional to 201,955,474.61, 278,686,543.97 and 117,176,025.80 is: 161,695,946.74
Step by Step Solution
- Step 1: Write the proportion equation
201,955,474.61 : 278,686,543.97 = 117,176,025.80 : x - Step 2: Convert to fraction form
201,955,474.61/278,686,543.97 = 117,176,025.80/x - Step 3: Cross multiply
201,955,474.61x = 278,686,543.97 × 117,176,025.80 - Step 4: Simplify right side
201,955,474.61x = 32,655,381,666,672,684 - Step 5: Solve for x
x = 32,655,381,666,672,684/201,955,474.61 - Step 6: Final answer
x = 161,695,946.74
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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.