Finding the Fourth Proportional to 89,060,435.80, 133,590,653.70 and 53,228,627.80
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Solution
The fourth proportional to 89,060,435.80, 133,590,653.70 and 53,228,627.80 is: 79,842,941.70
Step by Step Solution
- Step 1: Write the proportion equation
89,060,435.80 : 133,590,653.70 = 53,228,627.80 : x - Step 2: Convert to fraction form
89,060,435.80/133,590,653.70 = 53,228,627.80/x - Step 3: Cross multiply
89,060,435.80x = 133,590,653.70 × 53,228,627.80 - Step 4: Simplify right side
89,060,435.80x = 7,110,847,183,355,993 - Step 5: Solve for x
x = 7,110,847,183,355,993/89,060,435.80 - Step 6: Final answer
x = 79,842,941.70
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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.