Finding the Fourth Proportional to 201,762,957.20, 302,555,862.30 and 92,551,831.70
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Solution
The fourth proportional to 201,762,957.20, 302,555,862.30 and 92,551,831.70 is: 138,787,117.50
Step by Step Solution
- Step 1: Write the proportion equation
201,762,957.20 : 302,555,862.30 = 92,551,831.70 : x - Step 2: Convert to fraction form
201,762,957.20/302,555,862.30 = 92,551,831.70/x - Step 3: Cross multiply
201,762,957.20x = 302,555,862.30 × 92,551,831.70 - Step 4: Simplify right side
201,762,957.20x = 28,002,099,247,437,976 - Step 5: Solve for x
x = 28,002,099,247,437,976/201,762,957.20 - Step 6: Final answer
x = 138,787,117.50
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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.