Finding the Fourth Proportional to 292,540,955.24, 403,706,421.06 and 160,379,114.21
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Solution
The fourth proportional to 292,540,955.24, 403,706,421.06 and 160,379,114.21 is: 221,323,124.33
Step by Step Solution
- Step 1: Write the proportion equation
292,540,955.24 : 403,706,421.06 = 160,379,114.21 : x - Step 2: Convert to fraction form
292,540,955.24/403,706,421.06 = 160,379,114.21/x - Step 3: Cross multiply
292,540,955.24x = 403,706,421.06 × 160,379,114.21 - Step 4: Simplify right side
292,540,955.24x = 64,746,078,208,473,560 - Step 5: Solve for x
x = 64,746,078,208,473,560/292,540,955.24 - Step 6: Final answer
x = 221,323,124.33
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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.