Finding the Fourth Proportional to 351,802,635.21, 527,708,015.17 and 106,161,397.74
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Solution
The fourth proportional to 351,802,635.21, 527,708,015.17 and 106,161,397.74 is: 159,243,322.48
Step by Step Solution
- Step 1: Write the proportion equation
351,802,635.21 : 527,708,015.17 = 106,161,397.74 : x - Step 2: Convert to fraction form
351,802,635.21/527,708,015.17 = 106,161,397.74/x - Step 3: Cross multiply
351,802,635.21x = 527,708,015.17 × 106,161,397.74 - Step 4: Simplify right side
351,802,635.21x = 56,022,220,488,782,920 - Step 5: Solve for x
x = 56,022,220,488,782,920/351,802,635.21 - Step 6: Final answer
x = 159,243,322.48
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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.