Finding the Fourth Proportional to 171,274,313.36, 236,358,784.68 and 92,957,869.28
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Solution
The fourth proportional to 171,274,313.36, 236,358,784.68 and 92,957,869.28 is: 128,281,985.65
Step by Step Solution
- Step 1: Write the proportion equation
171,274,313.36 : 236,358,784.68 = 92,957,869.28 : x - Step 2: Convert to fraction form
171,274,313.36/236,358,784.68 = 92,957,869.28/x - Step 3: Cross multiply
171,274,313.36x = 236,358,784.68 × 92,957,869.28 - Step 4: Simplify right side
171,274,313.36x = 21,971,409,009,463,108 - Step 5: Solve for x
x = 21,971,409,009,463,108/171,274,313.36 - Step 6: Final answer
x = 128,281,985.65
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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.