Finding the Fourth Proportional to 150,607,495.67, 207,838,343.54 and 84,527,993.95
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Solution
The fourth proportional to 150,607,495.67, 207,838,343.54 and 84,527,993.95 is: 116,648,631.38
Step by Step Solution
- Step 1: Write the proportion equation
150,607,495.67 : 207,838,343.54 = 84,527,993.95 : x - Step 2: Convert to fraction form
150,607,495.67/207,838,343.54 = 84,527,993.95/x - Step 3: Cross multiply
150,607,495.67x = 207,838,343.54 × 84,527,993.95 - Step 4: Simplify right side
150,607,495.67x = 17,568,158,245,018,866 - Step 5: Solve for x
x = 17,568,158,245,018,866/150,607,495.67 - Step 6: Final answer
x = 116,648,631.38
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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.