Finding the Fourth Proportional to 120,312,673.05, 166,026,705.84 and 68,112,536.94
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Solution
The fourth proportional to 120,312,673.05, 166,026,705.84 and 68,112,536.94 is: 93,992,593.20
Step by Step Solution
- Step 1: Write the proportion equation
120,312,673.05 : 166,026,705.84 = 68,112,536.94 : x - Step 2: Convert to fraction form
120,312,673.05/166,026,705.84 = 68,112,536.94/x - Step 3: Cross multiply
120,312,673.05x = 166,026,705.84 × 68,112,536.94 - Step 4: Simplify right side
120,312,673.05x = 11,308,500,134,553,514 - Step 5: Solve for x
x = 11,308,500,134,553,514/120,312,673.05 - Step 6: Final answer
x = 93,992,593.20
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.