Finding the Fourth Proportional to 56,959,474.32, 78,604,451.99 and 30,853,992.14
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Solution
The fourth proportional to 56,959,474.32, 78,604,451.99 and 30,853,992.14 is: 42,578,713.60
Step by Step Solution
- Step 1: Write the proportion equation
56,959,474.32 : 78,604,451.99 = 30,853,992.14 : x - Step 2: Convert to fraction form
56,959,474.32/78,604,451.99 = 30,853,992.14/x - Step 3: Cross multiply
56,959,474.32x = 78,604,451.99 × 30,853,992.14 - Step 4: Simplify right side
56,959,474.32x = 2,425,261,143,731,644.50 - Step 5: Solve for x
x = 2,425,261,143,731,644.50/56,959,474.32 - Step 6: Final answer
x = 42,578,713.60
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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.