Finding the Fourth Proportional to 61,238,041.80, 91,857,062.70 and 46,121,497.80
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Solution
The fourth proportional to 61,238,041.80, 91,857,062.70 and 46,121,497.80 is: 69,182,246.70
Step by Step Solution
- Step 1: Write the proportion equation
61,238,041.80 : 91,857,062.70 = 46,121,497.80 : x - Step 2: Convert to fraction form
61,238,041.80/91,857,062.70 = 46,121,497.80/x - Step 3: Cross multiply
61,238,041.80x = 91,857,062.70 × 46,121,497.80 - Step 4: Simplify right side
61,238,041.80x = 4,236,585,315,232,512 - Step 5: Solve for x
x = 4,236,585,315,232,512/61,238,041.80 - Step 6: Final answer
x = 69,182,246.70
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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.