Finding the Fourth Proportional to 230,278,599.66, 345,573,320.34 and 90,201,682.05
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Solution
The fourth proportional to 230,278,599.66, 345,573,320.34 and 90,201,682.05 is: 135,363,402.47
Step by Step Solution
- Step 1: Write the proportion equation
230,278,599.66 : 345,573,320.34 = 90,201,682.05 : x - Step 2: Convert to fraction form
230,278,599.66/345,573,320.34 = 90,201,682.05/x - Step 3: Cross multiply
230,278,599.66x = 345,573,320.34 × 90,201,682.05 - Step 4: Simplify right side
230,278,599.66x = 31,171,294,766,271,476 - Step 5: Solve for x
x = 31,171,294,766,271,476/230,278,599.66 - Step 6: Final answer
x = 135,363,402.47
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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.