Finding the Fourth Proportional to 91,380,385.74, 126,103,756.58 and 52,221,713.34
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Solution
The fourth proportional to 91,380,385.74, 126,103,756.58 and 52,221,713.34 is: 72,065,292.50
Step by Step Solution
- Step 1: Write the proportion equation
91,380,385.74 : 126,103,756.58 = 52,221,713.34 : x - Step 2: Convert to fraction form
91,380,385.74/126,103,756.58 = 52,221,713.34/x - Step 3: Cross multiply
91,380,385.74x = 126,103,756.58 × 52,221,713.34 - Step 4: Simplify right side
91,380,385.74x = 6,585,354,227,217,899 - Step 5: Solve for x
x = 6,585,354,227,217,899/91,380,385.74 - Step 6: Final answer
x = 72,065,292.50
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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.