Finding the Fourth Proportional to 107,257,950.21, 148,019,316.53 and 60,850,160.13
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Solution
The fourth proportional to 107,257,950.21, 148,019,316.53 and 60,850,160.13 is: 83,975,118.82
Step by Step Solution
- Step 1: Write the proportion equation
107,257,950.21 : 148,019,316.53 = 60,850,160.13 : x - Step 2: Convert to fraction form
107,257,950.21/148,019,316.53 = 60,850,160.13/x - Step 3: Cross multiply
107,257,950.21x = 148,019,316.53 × 60,850,160.13 - Step 4: Simplify right side
107,257,950.21x = 9,006,999,112,879,406 - Step 5: Solve for x
x = 9,006,999,112,879,406/107,257,950.21 - Step 6: Final answer
x = 83,975,118.82
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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.