Finding the Fourth Proportional to 64,936,378.16, 97,402,204.68 and 19,496,991.92
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Solution
The fourth proportional to 64,936,378.16, 97,402,204.68 and 19,496,991.92 is: 29,244,778.53
Step by Step Solution
- Step 1: Write the proportion equation
64,936,378.16 : 97,402,204.68 = 19,496,991.92 : x - Step 2: Convert to fraction form
64,936,378.16/97,402,204.68 = 19,496,991.92/x - Step 3: Cross multiply
64,936,378.16x = 97,402,204.68 × 19,496,991.92 - Step 4: Simplify right side
64,936,378.16x = 1,899,049,997,636,146.50 - Step 5: Solve for x
x = 1,899,049,997,636,146.50/64,936,378.16 - Step 6: Final answer
x = 29,244,778.53
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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.