Finding the Fourth Proportional to 61,797,166.11, 85,350,867.44 and 40,698,262.84
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Solution
The fourth proportional to 61,797,166.11, 85,350,867.44 and 40,698,262.84 is: 56,210,215.70
Step by Step Solution
- Step 1: Write the proportion equation
61,797,166.11 : 85,350,867.44 = 40,698,262.84 : x - Step 2: Convert to fraction form
61,797,166.11/85,350,867.44 = 40,698,262.84/x - Step 3: Cross multiply
61,797,166.11x = 85,350,867.44 × 40,698,262.84 - Step 4: Simplify right side
61,797,166.11x = 3,473,632,036,695,118 - Step 5: Solve for x
x = 3,473,632,036,695,118/61,797,166.11 - Step 6: Final answer
x = 56,210,215.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.