Finding the Fourth Proportional to 85,891,511.10, 128,837,266.65 and 44,935,124.70
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Solution
The fourth proportional to 85,891,511.10, 128,837,266.65 and 44,935,124.70 is: 67,402,687.05
Step by Step Solution
- Step 1: Write the proportion equation
85,891,511.10 : 128,837,266.65 = 44,935,124.70 : x - Step 2: Convert to fraction form
85,891,511.10/128,837,266.65 = 44,935,124.70/x - Step 3: Cross multiply
85,891,511.10x = 128,837,266.65 × 44,935,124.70 - Step 4: Simplify right side
85,891,511.10x = 5,789,318,642,924,902 - Step 5: Solve for x
x = 5,789,318,642,924,902/85,891,511.10 - Step 6: Final answer
x = 67,402,687.05
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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.