Finding the Fourth Proportional to 106,166,065.47, 146,554,324.16 and 71,378,920.95
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Solution
The fourth proportional to 106,166,065.47, 146,554,324.16 and 71,378,920.95 is: 98,533,269.29
Step by Step Solution
- Step 1: Write the proportion equation
106,166,065.47 : 146,554,324.16 = 71,378,920.95 : x - Step 2: Convert to fraction form
106,166,065.47/146,554,324.16 = 71,378,920.95/x - Step 3: Cross multiply
106,166,065.47x = 146,554,324.16 × 71,378,920.95 - Step 4: Simplify right side
106,166,065.47x = 10,460,889,518,740,422 - Step 5: Solve for x
x = 10,460,889,518,740,422/106,166,065.47 - Step 6: Final answer
x = 98,533,269.29
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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.