Finding the Fourth Proportional to 106,238,497.20, 146,607,135.24 and 64,982,358.96
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Solution
The fourth proportional to 106,238,497.20, 146,607,135.24 and 64,982,358.96 is: 89,674,437.60
Step by Step Solution
- Step 1: Write the proportion equation
106,238,497.20 : 146,607,135.24 = 64,982,358.96 : x - Step 2: Convert to fraction form
106,238,497.20/146,607,135.24 = 64,982,358.96/x - Step 3: Cross multiply
106,238,497.20x = 146,607,135.24 × 64,982,358.96 - Step 4: Simplify right side
106,238,497.20x = 9,526,877,488,262,946 - Step 5: Solve for x
x = 9,526,877,488,262,946/106,238,497.20 - Step 6: Final answer
x = 89,674,437.60
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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.