Finding the Fourth Proportional to 190,468,484.62, 285,750,722.70 and 54,153,868.12
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Solution
The fourth proportional to 190,468,484.62, 285,750,722.70 and 54,153,868.12 is: 81,244,448.30
Step by Step Solution
- Step 1: Write the proportion equation
190,468,484.62 : 285,750,722.70 = 54,153,868.12 : x - Step 2: Convert to fraction form
190,468,484.62/285,750,722.70 = 54,153,868.12/x - Step 3: Cross multiply
190,468,484.62x = 285,750,722.70 × 54,153,868.12 - Step 4: Simplify right side
190,468,484.62x = 15,474,506,951,576,112 - Step 5: Solve for x
x = 15,474,506,951,576,112/190,468,484.62 - Step 6: Final answer
x = 81,244,448.30
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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.