Finding the Fourth Proportional to 165,048,719.70, 247,573,079.55 and 74,349,455.70
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Solution
The fourth proportional to 165,048,719.70, 247,573,079.55 and 74,349,455.70 is: 111,524,183.55
Step by Step Solution
- Step 1: Write the proportion equation
165,048,719.70 : 247,573,079.55 = 74,349,455.70 : x - Step 2: Convert to fraction form
165,048,719.70/247,573,079.55 = 74,349,455.70/x - Step 3: Cross multiply
165,048,719.70x = 247,573,079.55 × 74,349,455.70 - Step 4: Simplify right side
165,048,719.70x = 18,406,923,710,515,304 - Step 5: Solve for x
x = 18,406,923,710,515,304/165,048,719.70 - Step 6: Final answer
x = 111,524,183.55
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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.