Finding the Fourth Proportional to 292,087,225.36, 403,080,468.80 and 159,936,580.36
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Solution
The fourth proportional to 292,087,225.36, 403,080,468.80 and 159,936,580.36 is: 220,712,534.45
Step by Step Solution
- Step 1: Write the proportion equation
292,087,225.36 : 403,080,468.80 = 159,936,580.36 : x - Step 2: Convert to fraction form
292,087,225.36/403,080,468.80 = 159,936,580.36/x - Step 3: Cross multiply
292,087,225.36x = 403,080,468.80 × 159,936,580.36 - Step 4: Simplify right side
292,087,225.36x = 64,467,311,789,777,680 - Step 5: Solve for x
x = 64,467,311,789,777,680/292,087,225.36 - Step 6: Final answer
x = 220,712,534.45
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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.