Finding the Fourth Proportional to 345,417,899.99, 518,359,981.26 and 135,302,523.58
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Solution
The fourth proportional to 345,417,899.99, 518,359,981.26 and 135,302,523.58 is: 203,045,104.46
Step by Step Solution
- Step 1: Write the proportion equation
345,417,899.99 : 518,359,981.26 = 135,302,523.58 : x - Step 2: Convert to fraction form
345,417,899.99/518,359,981.26 = 135,302,523.58/x - Step 3: Cross multiply
345,417,899.99x = 518,359,981.26 × 135,302,523.58 - Step 4: Simplify right side
345,417,899.99x = 70,135,413,587,359,512 - Step 5: Solve for x
x = 70,135,413,587,359,512/345,417,899.99 - Step 6: Final answer
x = 203,045,104.46
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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.