Finding the Fourth Proportional to 64,939,461.53, 97,421,724.70 and 21,208,463.51
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Solution
The fourth proportional to 64,939,461.53, 97,421,724.70 and 21,208,463.51 is: 31,816,788.20
Step by Step Solution
- Step 1: Write the proportion equation
64,939,461.53 : 97,421,724.70 = 21,208,463.51 : x - Step 2: Convert to fraction form
64,939,461.53/97,421,724.70 = 21,208,463.51/x - Step 3: Cross multiply
64,939,461.53x = 97,421,724.70 × 21,208,463.51 - Step 4: Simplify right side
64,939,461.53x = 2,066,165,092,841,086 - Step 5: Solve for x
x = 2,066,165,092,841,086/64,939,461.53 - Step 6: Final answer
x = 31,816,788.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.