Finding the Fourth Proportional to 139,467,614.18, 209,201,420.26 and 50,842,831.28
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Solution
The fourth proportional to 139,467,614.18, 209,201,420.26 and 50,842,831.28 is: 76,264,246.55
Step by Step Solution
- Step 1: Write the proportion equation
139,467,614.18 : 209,201,420.26 = 50,842,831.28 : x - Step 2: Convert to fraction form
139,467,614.18/209,201,420.26 = 50,842,831.28/x - Step 3: Cross multiply
139,467,614.18x = 209,201,420.26 × 50,842,831.28 - Step 4: Simplify right side
139,467,614.18x = 10,636,392,513,815,554 - Step 5: Solve for x
x = 10,636,392,513,815,554/139,467,614.18 - Step 6: Final answer
x = 76,264,246.55
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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.