Finding the Fourth Proportional to 86,320,465.80, 129,480,698.70 and 22,495,057.80
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Solution
The fourth proportional to 86,320,465.80, 129,480,698.70 and 22,495,057.80 is: 33,742,586.70
Step by Step Solution
- Step 1: Write the proportion equation
86,320,465.80 : 129,480,698.70 = 22,495,057.80 : x - Step 2: Convert to fraction form
86,320,465.80/129,480,698.70 = 22,495,057.80/x - Step 3: Cross multiply
86,320,465.80x = 129,480,698.70 × 22,495,057.80 - Step 4: Simplify right side
86,320,465.80x = 2,912,675,801,240,885 - Step 5: Solve for x
x = 2,912,675,801,240,885/86,320,465.80 - Step 6: Final answer
x = 33,742,586.70
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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.