Finding the Fourth Proportional to 180,761,658.50, 249,478,356.30 and 110,238,183.02
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Solution
The fourth proportional to 180,761,658.50, 249,478,356.30 and 110,238,183.02 is: 152,145,321.80
Step by Step Solution
- Step 1: Write the proportion equation
180,761,658.50 : 249,478,356.30 = 110,238,183.02 : x - Step 2: Convert to fraction form
180,761,658.50/249,478,356.30 = 110,238,183.02/x - Step 3: Cross multiply
180,761,658.50x = 249,478,356.30 × 110,238,183.02 - Step 4: Simplify right side
180,761,658.50x = 27,502,040,701,328,172 - Step 5: Solve for x
x = 27,502,040,701,328,172/180,761,658.50 - Step 6: Final answer
x = 152,145,321.80
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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.