Finding the Fourth Proportional to 118,122,510.20, 177,183,765.30 and 101,966,703.80
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Solution
The fourth proportional to 118,122,510.20, 177,183,765.30 and 101,966,703.80 is: 152,950,055.70
Step by Step Solution
- Step 1: Write the proportion equation
118,122,510.20 : 177,183,765.30 = 101,966,703.80 : x - Step 2: Convert to fraction form
118,122,510.20/177,183,765.30 = 101,966,703.80/x - Step 3: Cross multiply
118,122,510.20x = 177,183,765.30 × 101,966,703.80 - Step 4: Simplify right side
118,122,510.20x = 18,066,844,514,513,820 - Step 5: Solve for x
x = 18,066,844,514,513,820/118,122,510.20 - Step 6: Final answer
x = 152,950,055.70
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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.