Finding the Fourth Proportional to 45,380,341.80, 68,070,512.70 and 26,248,465.80
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Solution
The fourth proportional to 45,380,341.80, 68,070,512.70 and 26,248,465.80 is: 39,372,698.70
Step by Step Solution
- Step 1: Write the proportion equation
45,380,341.80 : 68,070,512.70 = 26,248,465.80 : x - Step 2: Convert to fraction form
45,380,341.80/68,070,512.70 = 26,248,465.80/x - Step 3: Cross multiply
45,380,341.80x = 68,070,512.70 × 26,248,465.80 - Step 4: Simplify right side
45,380,341.80x = 1,786,746,524,594,415.75 - Step 5: Solve for x
x = 1,786,746,524,594,415.75/45,380,341.80 - Step 6: Final answer
x = 39,372,698.70
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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.