Finding the Fourth Proportional to 252,052,931.37, 347,824,451.70 and 139,026,901.49
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Solution
The fourth proportional to 252,052,931.37, 347,824,451.70 and 139,026,901.49 is: 191,852,384.02
Step by Step Solution
- Step 1: Write the proportion equation
252,052,931.37 : 347,824,451.70 = 139,026,901.49 : x - Step 2: Convert to fraction form
252,052,931.37/347,824,451.70 = 139,026,901.49/x - Step 3: Cross multiply
252,052,931.37x = 347,824,451.70 × 139,026,901.49 - Step 4: Simplify right side
252,052,931.37x = 48,356,955,782,309,168 - Step 5: Solve for x
x = 48,356,955,782,309,168/252,052,931.37 - Step 6: Final answer
x = 191,852,384.02
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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.