Finding the Fourth Proportional to 122,472,001.80, 183,708,002.70 and 119,637,649.80
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Solution
The fourth proportional to 122,472,001.80, 183,708,002.70 and 119,637,649.80 is: 179,456,474.70
Step by Step Solution
- Step 1: Write the proportion equation
122,472,001.80 : 183,708,002.70 = 119,637,649.80 : x - Step 2: Convert to fraction form
122,472,001.80/183,708,002.70 = 119,637,649.80/x - Step 3: Cross multiply
122,472,001.80x = 183,708,002.70 × 119,637,649.80 - Step 4: Simplify right side
122,472,001.80x = 21,978,393,692,480,052 - Step 5: Solve for x
x = 21,978,393,692,480,052/122,472,001.80 - Step 6: Final answer
x = 179,456,474.70
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1.5x scale
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.