Finding the Fourth Proportional to 83,670,654.40, 125,505,981.60 and 29,798,526.40
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Solution
The fourth proportional to 83,670,654.40, 125,505,981.60 and 29,798,526.40 is: 44,697,789.60
Step by Step Solution
- Step 1: Write the proportion equation
83,670,654.40 : 125,505,981.60 = 29,798,526.40 : x - Step 2: Convert to fraction form
83,670,654.40/125,505,981.60 = 29,798,526.40/x - Step 3: Cross multiply
83,670,654.40x = 125,505,981.60 × 29,798,526.40 - Step 4: Simplify right side
83,670,654.40x = 3,739,893,306,065,514 - Step 5: Solve for x
x = 3,739,893,306,065,514/83,670,654.40 - Step 6: Final answer
x = 44,697,789.60
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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.