Finding the Fourth Proportional to 99,525,925.80, 149,288,888.70 and 56,479,204.80
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Solution
The fourth proportional to 99,525,925.80, 149,288,888.70 and 56,479,204.80 is: 84,718,807.20
Step by Step Solution
- Step 1: Write the proportion equation
99,525,925.80 : 149,288,888.70 = 56,479,204.80 : x - Step 2: Convert to fraction form
99,525,925.80/149,288,888.70 = 56,479,204.80/x - Step 3: Cross multiply
99,525,925.80x = 149,288,888.70 × 56,479,204.80 - Step 4: Simplify right side
99,525,925.80x = 8,431,717,719,251,705 - Step 5: Solve for x
x = 8,431,717,719,251,705/99,525,925.80 - Step 6: Final answer
x = 84,718,807.20
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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.