Finding the Fourth Proportional to 106,710,663.15, 147,203,910.14 and 64,907,514.09
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Solution
The fourth proportional to 106,710,663.15, 147,203,910.14 and 64,907,514.09 is: 89,537,817.39
Step by Step Solution
- Step 1: Write the proportion equation
106,710,663.15 : 147,203,910.14 = 64,907,514.09 : x - Step 2: Convert to fraction form
106,710,663.15/147,203,910.14 = 64,907,514.09/x - Step 3: Cross multiply
106,710,663.15x = 147,203,910.14 × 64,907,514.09 - Step 4: Simplify right side
106,710,663.15x = 9,554,639,871,190,606 - Step 5: Solve for x
x = 9,554,639,871,190,606/106,710,663.15 - Step 6: Final answer
x = 89,537,817.39
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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.