Finding the Fourth Proportional to 155,407,617.60, 233,176,744.80 and 83,520,052.80
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Solution
The fourth proportional to 155,407,617.60, 233,176,744.80 and 83,520,052.80 is: 125,315,182.99
Step by Step Solution
- Step 1: Write the proportion equation
155,407,617.60 : 233,176,744.80 = 83,520,052.80 : x - Step 2: Convert to fraction form
155,407,617.60/233,176,744.80 = 83,520,052.80/x - Step 3: Cross multiply
155,407,617.60x = 233,176,744.80 × 83,520,052.80 - Step 4: Simplify right side
155,407,617.60x = 19,474,934,037,428,124 - Step 5: Solve for x
x = 19,474,934,037,428,124/155,407,617.60 - Step 6: Final answer
x = 125,315,182.99
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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.