Finding the Fourth Proportional to 318,415,680.09, 477,626,193.86 and 88,402,701.69
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Solution
The fourth proportional to 318,415,680.09, 477,626,193.86 and 88,402,701.69 is: 132,604,794.85
Step by Step Solution
- Step 1: Write the proportion equation
318,415,680.09 : 477,626,193.86 = 88,402,701.69 : x - Step 2: Convert to fraction form
318,415,680.09/477,626,193.86 = 88,402,701.69/x - Step 3: Cross multiply
318,415,680.09x = 477,626,193.86 × 88,402,701.69 - Step 4: Simplify right side
318,415,680.09x = 42,223,445,934,693,680 - Step 5: Solve for x
x = 42,223,445,934,693,680/318,415,680.09 - Step 6: Final answer
x = 132,604,794.85
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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.