Finding the Fourth Proportional to 105,186,110.81, 145,154,048.00 and 58,776,746.09
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Solution
The fourth proportional to 105,186,110.81, 145,154,048.00 and 58,776,746.09 is: 81,110,353.42
Step by Step Solution
- Step 1: Write the proportion equation
105,186,110.81 : 145,154,048.00 = 58,776,746.09 : x - Step 2: Convert to fraction form
105,186,110.81/145,154,048.00 = 58,776,746.09/x - Step 3: Cross multiply
105,186,110.81x = 145,154,048.00 × 58,776,746.09 - Step 4: Simplify right side
105,186,110.81x = 8,531,682,622,212,019 - Step 5: Solve for x
x = 8,531,682,622,212,019/105,186,110.81 - Step 6: Final answer
x = 81,110,353.42
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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.