Finding the Fourth Proportional to 168,527,612,321.67, 252,791,413,597.62 and 77,742,168,140.00
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Solution
The fourth proportional to 168,527,612,321.67, 252,791,413,597.62 and 77,742,168,140.00 is: 116,613,249,956.58
Step by Step Solution
- Step 1: Write the proportion equation
168,527,612,321.67 : 252,791,413,597.62 = 77,742,168,140.00 : x - Step 2: Convert to fraction form
168,527,612,321.67/252,791,413,597.62 = 77,742,168,140.00/x - Step 3: Cross multiply
168,527,612,321.67x = 252,791,413,597.62 × 77,742,168,140.00 - Step 4: Simplify right side
168,527,612,321.67x = 19,652,552,580,253,192,552,448 - Step 5: Solve for x
x = 19,652,552,580,253,192,552,448/168,527,612,321.67 - Step 6: Final answer
x = 116,613,249,956.58
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1.5x scale
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.