Finding the Fourth Proportional to 162,484,721.62, 224,228,915.86 and 92,871,597.18
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Solution
The fourth proportional to 162,484,721.62, 224,228,915.86 and 92,871,597.18 is: 128,162,804.12
Step by Step Solution
- Step 1: Write the proportion equation
162,484,721.62 : 224,228,915.86 = 92,871,597.18 : x - Step 2: Convert to fraction form
162,484,721.62/224,228,915.86 = 92,871,597.18/x - Step 3: Cross multiply
162,484,721.62x = 224,228,915.86 × 92,871,597.18 - Step 4: Simplify right side
162,484,721.62x = 20,824,497,549,858,036 - Step 5: Solve for x
x = 20,824,497,549,858,036/162,484,721.62 - Step 6: Final answer
x = 128,162,804.12
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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.