Finding the Fourth Proportional to 135,212,993.92, 186,534,667.62 and 79,433,242.12
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Solution
The fourth proportional to 135,212,993.92, 186,534,667.62 and 79,433,242.12 is: 109,583,058.46
Step by Step Solution
- Step 1: Write the proportion equation
135,212,993.92 : 186,534,667.62 = 79,433,242.12 : x - Step 2: Convert to fraction form
135,212,993.92/186,534,667.62 = 79,433,242.12/x - Step 3: Cross multiply
135,212,993.92x = 186,534,667.62 × 79,433,242.12 - Step 4: Simplify right side
135,212,993.92x = 14,817,053,416,833,186 - Step 5: Solve for x
x = 14,817,053,416,833,186/135,212,993.92 - Step 6: Final answer
x = 109,583,058.46
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.