Finding the Fourth Proportional to 292,534,911.74, 403,689,439.50 and 160,371,391.34
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Solution
The fourth proportional to 292,534,911.74, 403,689,439.50 and 160,371,391.34 is: 221,307,729.38
Step by Step Solution
- Step 1: Write the proportion equation
292,534,911.74 : 403,689,439.50 = 160,371,391.34 : x - Step 2: Convert to fraction form
292,534,911.74/403,689,439.50 = 160,371,391.34/x - Step 3: Cross multiply
292,534,911.74x = 403,689,439.50 × 160,371,391.34 - Step 4: Simplify right side
292,534,911.74x = 64,740,237,081,879,752 - Step 5: Solve for x
x = 64,740,237,081,879,752/292,534,911.74 - Step 6: Final answer
x = 221,307,729.38
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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.