Finding the Fourth Proportional to 133,039,089.10, 199,390,672.05 and 117,922,545.10
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Solution
The fourth proportional to 133,039,089.10, 199,390,672.05 and 117,922,545.10 is: 176,734,940.66
Step by Step Solution
- Step 1: Write the proportion equation
133,039,089.10 : 199,390,672.05 = 117,922,545.10 : x - Step 2: Convert to fraction form
133,039,089.10/199,390,672.05 = 117,922,545.10/x - Step 3: Cross multiply
133,039,089.10x = 199,390,672.05 × 117,922,545.10 - Step 4: Simplify right side
133,039,089.10x = 23,512,655,517,335,436 - Step 5: Solve for x
x = 23,512,655,517,335,436/133,039,089.10 - Step 6: Final answer
x = 176,734,940.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.