Finding the Fourth Proportional to 146,598,270.71, 202,230,783.47 and 93,619,289.21
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Solution
The fourth proportional to 146,598,270.71, 202,230,783.47 and 93,619,289.21 is: 129,146,831.77
Step by Step Solution
- Step 1: Write the proportion equation
146,598,270.71 : 202,230,783.47 = 93,619,289.21 : x - Step 2: Convert to fraction form
146,598,270.71/202,230,783.47 = 93,619,289.21/x - Step 3: Cross multiply
146,598,270.71x = 202,230,783.47 × 93,619,289.21 - Step 4: Simplify right side
146,598,270.71x = 18,932,702,204,065,712 - Step 5: Solve for x
x = 18,932,702,204,065,712/146,598,270.71 - Step 6: Final answer
x = 129,146,831.77
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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.