Finding the Fourth Proportional to 181,445,862.30, 272,168,793.45 and 66,392,166.30
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Solution
The fourth proportional to 181,445,862.30, 272,168,793.45 and 66,392,166.30 is: 99,588,249.45
Step by Step Solution
- Step 1: Write the proportion equation
181,445,862.30 : 272,168,793.45 = 66,392,166.30 : x - Step 2: Convert to fraction form
181,445,862.30/272,168,793.45 = 66,392,166.30/x - Step 3: Cross multiply
181,445,862.30x = 272,168,793.45 × 66,392,166.30 - Step 4: Simplify right side
181,445,862.30x = 18,069,875,796,402,748 - Step 5: Solve for x
x = 18,069,875,796,402,748/181,445,862.30 - Step 6: Final answer
x = 99,588,249.45
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1.5x scale
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.