Finding the Fourth Proportional to 163,207,825.20, 244,811,737.80 and 42,039,277.20
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Solution
The fourth proportional to 163,207,825.20, 244,811,737.80 and 42,039,277.20 is: 63,058,915.80
Step by Step Solution
- Step 1: Write the proportion equation
163,207,825.20 : 244,811,737.80 = 42,039,277.20 : x - Step 2: Convert to fraction form
163,207,825.20/244,811,737.80 = 42,039,277.20/x - Step 3: Cross multiply
163,207,825.20x = 244,811,737.80 × 42,039,277.20 - Step 4: Simplify right side
163,207,825.20x = 10,291,708,507,187,920 - Step 5: Solve for x
x = 10,291,708,507,187,920/163,207,825.20 - Step 6: Final answer
x = 63,058,915.80
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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.