Finding the Fourth Proportional to 90,227,855.99, 124,511,219.61 and 51,068,791.98
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Solution
The fourth proportional to 90,227,855.99, 124,511,219.61 and 51,068,791.98 is: 70,473,109.49
Step by Step Solution
- Step 1: Write the proportion equation
90,227,855.99 : 124,511,219.61 = 51,068,791.98 : x - Step 2: Convert to fraction form
90,227,855.99/124,511,219.61 = 51,068,791.98/x - Step 3: Cross multiply
90,227,855.99x = 124,511,219.61 × 51,068,791.98 - Step 4: Simplify right side
90,227,855.99x = 6,358,637,573,439,186 - Step 5: Solve for x
x = 6,358,637,573,439,186/90,227,855.99 - Step 6: Final answer
x = 70,473,109.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.