Finding the Fourth Proportional to 210,743,373.24, 316,113,286.50 and 164,723,950.62
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Solution
The fourth proportional to 210,743,373.24, 316,113,286.50 and 164,723,950.62 is: 247,084,539.81
Step by Step Solution
- Step 1: Write the proportion equation
210,743,373.24 : 316,113,286.50 = 164,723,950.62 : x - Step 2: Convert to fraction form
210,743,373.24/316,113,286.50 = 164,723,950.62/x - Step 3: Cross multiply
210,743,373.24x = 316,113,286.50 × 164,723,950.62 - Step 4: Simplify right side
210,743,373.24x = 52,071,429,395,751,912 - Step 5: Solve for x
x = 52,071,429,395,751,912/210,743,373.24 - Step 6: Final answer
x = 247,084,539.81
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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.