Finding the Fourth Proportional to 64,792,253.72, 97,212,857.68 and 38,902,607.18
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Solution
The fourth proportional to 64,792,253.72, 97,212,857.68 and 38,902,607.18 is: 58,368,607.33
Step by Step Solution
- Step 1: Write the proportion equation
64,792,253.72 : 97,212,857.68 = 38,902,607.18 : x - Step 2: Convert to fraction form
64,792,253.72/97,212,857.68 = 38,902,607.18/x - Step 3: Cross multiply
64,792,253.72x = 97,212,857.68 × 38,902,607.18 - Step 4: Simplify right side
64,792,253.72x = 3,781,833,615,170,286.50 - Step 5: Solve for x
x = 3,781,833,615,170,286.50/64,792,253.72 - Step 6: Final answer
x = 58,368,607.33
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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.