Finding the Fourth Proportional to 81,579,528.66, 122,372,670.06 and 24,071,798.73
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Solution
The fourth proportional to 81,579,528.66, 122,372,670.06 and 24,071,798.73 is: 36,108,694.57
Step by Step Solution
- Step 1: Write the proportion equation
81,579,528.66 : 122,372,670.06 = 24,071,798.73 : x - Step 2: Convert to fraction form
81,579,528.66/122,372,670.06 = 24,071,798.73/x - Step 3: Cross multiply
81,579,528.66x = 122,372,670.06 × 24,071,798.73 - Step 4: Simplify right side
81,579,528.66x = 2,945,730,283,737,017 - Step 5: Solve for x
x = 2,945,730,283,737,017/81,579,528.66 - Step 6: Final answer
x = 36,108,694.57
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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.