Finding the Fourth Proportional to 118,295,474.04, 163,015,211.34 and 90,449,734.68
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Solution
The fourth proportional to 118,295,474.04, 163,015,211.34 and 90,449,734.68 is: 124,642,829.61
Step by Step Solution
- Step 1: Write the proportion equation
118,295,474.04 : 163,015,211.34 = 90,449,734.68 : x - Step 2: Convert to fraction form
118,295,474.04/163,015,211.34 = 90,449,734.68/x - Step 3: Cross multiply
118,295,474.04x = 163,015,211.34 × 90,449,734.68 - Step 4: Simplify right side
118,295,474.04x = 14,744,682,614,507,128 - Step 5: Solve for x
x = 14,744,682,614,507,128/118,295,474.04 - Step 6: Final answer
x = 124,642,829.61
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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.