Finding the Fourth Proportional to 121,277,496.30, 181,916,244.45 and 92,579,682.30
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Solution
The fourth proportional to 121,277,496.30, 181,916,244.45 and 92,579,682.30 is: 138,869,523.45
Step by Step Solution
- Step 1: Write the proportion equation
121,277,496.30 : 181,916,244.45 = 92,579,682.30 : x - Step 2: Convert to fraction form
121,277,496.30/181,916,244.45 = 92,579,682.30/x - Step 3: Cross multiply
121,277,496.30x = 181,916,244.45 × 92,579,682.30 - Step 4: Simplify right side
121,277,496.30x = 16,841,748,116,390,136 - Step 5: Solve for x
x = 16,841,748,116,390,136/121,277,496.30 - Step 6: Final answer
x = 138,869,523.45
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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.