Finding the Fourth Proportional to 283,768,986.00, 391,601,027.47 and 153,388,794.00
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Solution
The fourth proportional to 283,768,986.00, 391,601,027.47 and 153,388,794.00 is: 211,676,442.10
Step by Step Solution
- Step 1: Write the proportion equation
283,768,986.00 : 391,601,027.47 = 153,388,794.00 : x - Step 2: Convert to fraction form
283,768,986.00/391,601,027.47 = 153,388,794.00/x - Step 3: Cross multiply
283,768,986.00x = 391,601,027.47 × 153,388,794.00 - Step 4: Simplify right side
283,768,986.00x = 60,067,209,334,444,408 - Step 5: Solve for x
x = 60,067,209,334,444,408/283,768,986.00 - Step 6: Final answer
x = 211,676,442.10
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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.