Finding the Fourth Proportional to 168,527,612,321.66, 252,791,413,597.62 and 77,742,168,139.99
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Solution
The fourth proportional to 168,527,612,321.66, 252,791,413,597.62 and 77,742,168,139.99 is: 116,613,249,956.59
Step by Step Solution
- Step 1: Write the proportion equation
168,527,612,321.66 : 252,791,413,597.62 = 77,742,168,139.99 : x - Step 2: Convert to fraction form
168,527,612,321.66/252,791,413,597.62 = 77,742,168,139.99/x - Step 3: Cross multiply
168,527,612,321.66x = 252,791,413,597.62 × 77,742,168,139.99 - Step 4: Simplify right side
168,527,612,321.66x = 19,652,552,580,252,940,894,208 - Step 5: Solve for x
x = 19,652,552,580,252,940,894,208/168,527,612,321.66 - Step 6: Final answer
x = 116,613,249,956.59
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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.