Finding the Fourth Proportional to 75,630,831.18, 113,474,838.15 and 29,605,593.57
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Solution
The fourth proportional to 75,630,831.18, 113,474,838.15 and 29,605,593.57 is: 44,419,582.41
Step by Step Solution
- Step 1: Write the proportion equation
75,630,831.18 : 113,474,838.15 = 29,605,593.57 : x - Step 2: Convert to fraction form
75,630,831.18/113,474,838.15 = 29,605,593.57/x - Step 3: Cross multiply
75,630,831.18x = 113,474,838.15 × 29,605,593.57 - Step 4: Simplify right side
75,630,831.18x = 3,359,489,938,690,431 - Step 5: Solve for x
x = 3,359,489,938,690,431/75,630,831.18 - Step 6: Final answer
x = 44,419,582.41
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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.