Finding the Fourth Proportional to 75,808,878.35, 113,725,879.40 and 26,611,970.31
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Solution
The fourth proportional to 75,808,878.35, 113,725,879.40 and 26,611,970.31 is: 39,922,365.19
Step by Step Solution
- Step 1: Write the proportion equation
75,808,878.35 : 113,725,879.40 = 26,611,970.31 : x - Step 2: Convert to fraction form
75,808,878.35/113,725,879.40 = 26,611,970.31/x - Step 3: Cross multiply
75,808,878.35x = 113,725,879.40 × 26,611,970.31 - Step 4: Simplify right side
75,808,878.35x = 3,026,469,726,137,970.50 - Step 5: Solve for x
x = 3,026,469,726,137,970.50/75,808,878.35 - Step 6: Final answer
x = 39,922,365.19
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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.