Finding the Fourth Proportional to 80,873,216.80, 121,343,002.80 and 29,779,712.80
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Solution
The fourth proportional to 80,873,216.80, 121,343,002.80 and 29,779,712.80 is: 44,681,786.09
Step by Step Solution
- Step 1: Write the proportion equation
80,873,216.80 : 121,343,002.80 = 29,779,712.80 : x - Step 2: Convert to fraction form
80,873,216.80/121,343,002.80 = 29,779,712.80/x - Step 3: Cross multiply
80,873,216.80x = 121,343,002.80 × 29,779,712.80 - Step 4: Simplify right side
80,873,216.80x = 3,613,559,773,673,596 - Step 5: Solve for x
x = 3,613,559,773,673,596/80,873,216.80 - Step 6: Final answer
x = 44,681,786.09
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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.