Finding the Fourth Proportional to 237,014,307.42, 355,198,659.21 and 133,432,918.62
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Solution
The fourth proportional to 237,014,307.42, 355,198,659.21 and 133,432,918.62 is: 199,967,648.81
Step by Step Solution
- Step 1: Write the proportion equation
237,014,307.42 : 355,198,659.21 = 133,432,918.62 : x - Step 2: Convert to fraction form
237,014,307.42/355,198,659.21 = 133,432,918.62/x - Step 3: Cross multiply
237,014,307.42x = 355,198,659.21 × 133,432,918.62 - Step 4: Simplify right side
237,014,307.42x = 47,395,193,788,301,040 - Step 5: Solve for x
x = 47,395,193,788,301,040/237,014,307.42 - Step 6: Final answer
x = 199,967,648.81
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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.