Finding the Fourth Proportional to 67,068,008.05, 100,602,012.08 and 19,198,952.05
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Solution
The fourth proportional to 67,068,008.05, 100,602,012.08 and 19,198,952.05 is: 28,798,428.08
Step by Step Solution
- Step 1: Write the proportion equation
67,068,008.05 : 100,602,012.08 = 19,198,952.05 : x - Step 2: Convert to fraction form
67,068,008.05/100,602,012.08 = 19,198,952.05/x - Step 3: Cross multiply
67,068,008.05x = 100,602,012.08 × 19,198,952.05 - Step 4: Simplify right side
67,068,008.05x = 1,931,453,205,961,446.25 - Step 5: Solve for x
x = 1,931,453,205,961,446.25/67,068,008.05 - Step 6: Final answer
x = 28,798,428.08
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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.