Finding the Fourth Proportional to 229,642,451.20, 344,463,676.80 and 84,027,617.20
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Solution
The fourth proportional to 229,642,451.20, 344,463,676.80 and 84,027,617.20 is: 126,041,425.80
Step by Step Solution
- Step 1: Write the proportion equation
229,642,451.20 : 344,463,676.80 = 84,027,617.20 : x - Step 2: Convert to fraction form
229,642,451.20/344,463,676.80 = 84,027,617.20/x - Step 3: Cross multiply
229,642,451.20x = 344,463,676.80 × 84,027,617.20 - Step 4: Simplify right side
229,642,451.20x = 28,944,461,973,454,924 - Step 5: Solve for x
x = 28,944,461,973,454,924/229,642,451.20 - Step 6: Final answer
x = 126,041,425.80
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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.