Finding the Fourth Proportional to 57,467,257.60, 79,306,495.44 and 31,363,451.68
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Solution
The fourth proportional to 57,467,257.60, 79,306,495.44 and 31,363,451.68 is: 43,282,480.17
Step by Step Solution
- Step 1: Write the proportion equation
57,467,257.60 : 79,306,495.44 = 31,363,451.68 : x - Step 2: Convert to fraction form
57,467,257.60/79,306,495.44 = 31,363,451.68/x - Step 3: Cross multiply
57,467,257.60x = 79,306,495.44 × 31,363,451.68 - Step 4: Simplify right side
57,467,257.60x = 2,487,325,437,642,580 - Step 5: Solve for x
x = 2,487,325,437,642,580/57,467,257.60 - Step 6: Final answer
x = 43,282,480.17
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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.