Finding the Fourth Proportional to 121,277,509.80, 181,916,264.70 and 92,579,695.80
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Solution
The fourth proportional to 121,277,509.80, 181,916,264.70 and 92,579,695.80 is: 138,869,543.70
Step by Step Solution
- Step 1: Write the proportion equation
121,277,509.80 : 181,916,264.70 = 92,579,695.80 : x - Step 2: Convert to fraction form
121,277,509.80/181,916,264.70 = 92,579,695.80/x - Step 3: Cross multiply
121,277,509.80x = 181,916,264.70 × 92,579,695.80 - Step 4: Simplify right side
121,277,509.80x = 16,841,752,446,998,276 - Step 5: Solve for x
x = 16,841,752,446,998,276/121,277,509.80 - Step 6: Final answer
x = 138,869,543.70
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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.