Finding the Fourth Proportional to 162,484,718.23, 224,228,911.16 and 92,871,593.79
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Solution
The fourth proportional to 162,484,718.23, 224,228,911.16 and 92,871,593.79 is: 128,162,799.43
Step by Step Solution
- Step 1: Write the proportion equation
162,484,718.23 : 224,228,911.16 = 92,871,593.79 : x - Step 2: Convert to fraction form
162,484,718.23/224,228,911.16 = 92,871,593.79/x - Step 3: Cross multiply
162,484,718.23x = 224,228,911.16 × 92,871,593.79 - Step 4: Simplify right side
162,484,718.23x = 20,824,496,353,225,520 - Step 5: Solve for x
x = 20,824,496,353,225,520/162,484,718.23 - Step 6: Final answer
x = 128,162,799.43
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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.