Finding the Fourth Proportional to 353,723,337.80, 531,132,437.10 and 192,480,201.80
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Solution
The fourth proportional to 353,723,337.80, 531,132,437.10 and 192,480,201.80 is: 289,018,189.50
Step by Step Solution
- Step 1: Write the proportion equation
353,723,337.80 : 531,132,437.10 = 192,480,201.80 : x - Step 2: Convert to fraction form
353,723,337.80/531,132,437.10 = 192,480,201.80/x - Step 3: Cross multiply
353,723,337.80x = 531,132,437.10 × 192,480,201.80 - Step 4: Simplify right side
353,723,337.80x = 102,232,478,675,533,824 - Step 5: Solve for x
x = 102,232,478,675,533,824/353,723,337.80 - Step 6: Final answer
x = 289,018,189.50
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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.