Finding the Fourth Proportional to 133,099,542.20, 199,649,313.30 and 46,837,263.80
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Solution
The fourth proportional to 133,099,542.20, 199,649,313.30 and 46,837,263.80 is: 70,255,895.70
Step by Step Solution
- Step 1: Write the proportion equation
133,099,542.20 : 199,649,313.30 = 46,837,263.80 : x - Step 2: Convert to fraction form
133,099,542.20/199,649,313.30 = 46,837,263.80/x - Step 3: Cross multiply
133,099,542.20x = 199,649,313.30 × 46,837,263.80 - Step 4: Simplify right side
133,099,542.20x = 9,351,027,554,520,948 - Step 5: Solve for x
x = 9,351,027,554,520,948/133,099,542.20 - Step 6: Final answer
x = 70,255,895.70
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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.