Finding the Fourth Proportional to 197,513,871.92, 296,284,979.64 and 68,119,579.28
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Solution
The fourth proportional to 197,513,871.92, 296,284,979.64 and 68,119,579.28 is: 102,184,256.55
Step by Step Solution
- Step 1: Write the proportion equation
197,513,871.92 : 296,284,979.64 = 68,119,579.28 : x - Step 2: Convert to fraction form
197,513,871.92/296,284,979.64 = 68,119,579.28/x - Step 3: Cross multiply
197,513,871.92x = 296,284,979.64 × 68,119,579.28 - Step 4: Simplify right side
197,513,871.92x = 20,182,808,160,060,164 - Step 5: Solve for x
x = 20,182,808,160,060,164/197,513,871.92 - Step 6: Final answer
x = 102,184,256.55
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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.