Finding the Fourth Proportional to 106,399,090.18, 159,592,957.58 and 28,674,747.15
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Solution
The fourth proportional to 106,399,090.18, 159,592,957.58 and 28,674,747.15 is: 43,010,590.57
Step by Step Solution
- Step 1: Write the proportion equation
106,399,090.18 : 159,592,957.58 = 28,674,747.15 : x - Step 2: Convert to fraction form
106,399,090.18/159,592,957.58 = 28,674,747.15/x - Step 3: Cross multiply
106,399,090.18x = 159,592,957.58 × 28,674,747.15 - Step 4: Simplify right side
106,399,090.18x = 4,576,287,705,288,013 - Step 5: Solve for x
x = 4,576,287,705,288,013/106,399,090.18 - Step 6: Final answer
x = 43,010,590.57
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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.