Finding the Fourth Proportional to 163,291,206.70, 244,936,810.05 and 122,476,537.90
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Solution
The fourth proportional to 163,291,206.70, 244,936,810.05 and 122,476,537.90 is: 183,714,806.85
Step by Step Solution
- Step 1: Write the proportion equation
163,291,206.70 : 244,936,810.05 = 122,476,537.90 : x - Step 2: Convert to fraction form
163,291,206.70/244,936,810.05 = 122,476,537.90/x - Step 3: Cross multiply
163,291,206.70x = 244,936,810.05 × 122,476,537.90 - Step 4: Simplify right side
163,291,206.70x = 29,999,012,499,193,928 - Step 5: Solve for x
x = 29,999,012,499,193,928/163,291,206.70 - Step 6: Final answer
x = 183,714,806.85
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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.