Finding the Fourth Proportional to 189,989,700.99, 262,183,783.45 and 106,358,518.46
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Solution
The fourth proportional to 189,989,700.99, 262,183,783.45 and 106,358,518.46 is: 146,773,633.65
Step by Step Solution
- Step 1: Write the proportion equation
189,989,700.99 : 262,183,783.45 = 106,358,518.46 : x - Step 2: Convert to fraction form
189,989,700.99/262,183,783.45 = 106,358,518.46/x - Step 3: Cross multiply
189,989,700.99x = 262,183,783.45 × 106,358,518.46 - Step 4: Simplify right side
189,989,700.99x = 27,885,478,770,402,652 - Step 5: Solve for x
x = 27,885,478,770,402,652/189,989,700.99 - Step 6: Final answer
x = 146,773,633.65
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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.