Finding the Fourth Proportional to 163,892,415.80, 245,838,623.70 and 163,892,415.80
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Solution
The fourth proportional to 163,892,415.80, 245,838,623.70 and 163,892,415.80 is: 245,838,623.70
Step by Step Solution
- Step 1: Write the proportion equation
163,892,415.80 : 245,838,623.70 = 163,892,415.80 : x - Step 2: Convert to fraction form
163,892,415.80/245,838,623.70 = 163,892,415.80/x - Step 3: Cross multiply
163,892,415.80x = 245,838,623.70 × 163,892,415.80 - Step 4: Simplify right side
163,892,415.80x = 40,291,085,935,140,136 - Step 5: Solve for x
x = 40,291,085,935,140,136/163,892,415.80 - Step 6: Final answer
x = 245,838,623.70
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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.