Finding the Fourth Proportional to 56,217,924.74, 77,579,278.96 and 31,100,961.98
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Solution
The fourth proportional to 56,217,924.74, 77,579,278.96 and 31,100,961.98 is: 42,918,521.39
Step by Step Solution
- Step 1: Write the proportion equation
56,217,924.74 : 77,579,278.96 = 31,100,961.98 : x - Step 2: Convert to fraction form
56,217,924.74/77,579,278.96 = 31,100,961.98/x - Step 3: Cross multiply
56,217,924.74x = 77,579,278.96 × 31,100,961.98 - Step 4: Simplify right side
56,217,924.74x = 2,412,790,205,370,774 - Step 5: Solve for x
x = 2,412,790,205,370,774/56,217,924.74 - Step 6: Final answer
x = 42,918,521.39
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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.