Finding the Fourth Proportional to 79,439,954.80, 119,159,932.20 and 49,206,866.80
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Solution
The fourth proportional to 79,439,954.80, 119,159,932.20 and 49,206,866.80 is: 73,810,300.20
Step by Step Solution
- Step 1: Write the proportion equation
79,439,954.80 : 119,159,932.20 = 49,206,866.80 : x - Step 2: Convert to fraction form
79,439,954.80/119,159,932.20 = 49,206,866.80/x - Step 3: Cross multiply
79,439,954.80x = 119,159,932.20 × 49,206,866.80 - Step 4: Simplify right side
79,439,954.80x = 5,863,486,911,662,431 - Step 5: Solve for x
x = 5,863,486,911,662,431/79,439,954.80 - Step 6: Final answer
x = 73,810,300.20
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1.5x scale
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.