Finding the Fourth Proportional to 117,035,251.93, 161,508,644.73 and 64,827,650.62
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Solution
The fourth proportional to 117,035,251.93, 161,508,644.73 and 64,827,650.62 is: 89,462,156.23
Step by Step Solution
- Step 1: Write the proportion equation
117,035,251.93 : 161,508,644.73 = 64,827,650.62 : x - Step 2: Convert to fraction form
117,035,251.93/161,508,644.73 = 64,827,650.62/x - Step 3: Cross multiply
117,035,251.93x = 161,508,644.73 × 64,827,650.62 - Step 4: Simplify right side
117,035,251.93x = 10,470,225,992,262,372 - Step 5: Solve for x
x = 10,470,225,992,262,372/117,035,251.93 - Step 6: Final answer
x = 89,462,156.23
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.