Finding the Fourth Proportional to 167,201,890.42, 230,739,143.34 and 92,862,437.49
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Solution
The fourth proportional to 167,201,890.42, 230,739,143.34 and 92,862,437.49 is: 128,150,460.63
Step by Step Solution
- Step 1: Write the proportion equation
167,201,890.42 : 230,739,143.34 = 92,862,437.49 : x - Step 2: Convert to fraction form
167,201,890.42/230,739,143.34 = 92,862,437.49/x - Step 3: Cross multiply
167,201,890.42x = 230,739,143.34 × 92,862,437.49 - Step 4: Simplify right side
167,201,890.42x = 21,426,999,274,906,900 - Step 5: Solve for x
x = 21,426,999,274,906,900/167,201,890.42 - Step 6: Final answer
x = 128,150,460.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.