Finding the Fourth Proportional to 75,808,879.85, 113,725,881.66 and 26,611,971.81
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Solution
The fourth proportional to 75,808,879.85, 113,725,881.66 and 26,611,971.81 is: 39,922,367.45
Step by Step Solution
- Step 1: Write the proportion equation
75,808,879.85 : 113,725,881.66 = 26,611,971.81 : x - Step 2: Convert to fraction form
75,808,879.85/113,725,881.66 = 26,611,971.81/x - Step 3: Cross multiply
75,808,879.85x = 113,725,881.66 × 26,611,971.81 - Step 4: Simplify right side
75,808,879.85x = 3,026,469,956,803,316 - Step 5: Solve for x
x = 3,026,469,956,803,316/75,808,879.85 - Step 6: Final answer
x = 39,922,367.45
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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.