Finding the Fourth Proportional to 88,050,868.09, 121,521,408.03 and 53,243,807.63
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Solution
The fourth proportional to 88,050,868.09, 121,521,408.03 and 53,243,807.63 is: 73,483,233.18
Step by Step Solution
- Step 1: Write the proportion equation
88,050,868.09 : 121,521,408.03 = 53,243,807.63 : x - Step 2: Convert to fraction form
88,050,868.09/121,521,408.03 = 53,243,807.63/x - Step 3: Cross multiply
88,050,868.09x = 121,521,408.03 × 53,243,807.63 - Step 4: Simplify right side
88,050,868.09x = 6,470,262,471,468,450 - Step 5: Solve for x
x = 6,470,262,471,468,450/88,050,868.09 - Step 6: Final answer
x = 73,483,233.18
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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.