Finding the Fourth Proportional to 225,616,130.56, 311,354,860.80 and 122,606,318.08
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Solution
The fourth proportional to 225,616,130.56, 311,354,860.80 and 122,606,318.08 is: 169,199,219.06
Step by Step Solution
- Step 1: Write the proportion equation
225,616,130.56 : 311,354,860.80 = 122,606,318.08 : x - Step 2: Convert to fraction form
225,616,130.56/311,354,860.80 = 122,606,318.08/x - Step 3: Cross multiply
225,616,130.56x = 311,354,860.80 × 122,606,318.08 - Step 4: Simplify right side
225,616,130.56x = 38,174,073,098,998,928 - Step 5: Solve for x
x = 38,174,073,098,998,928/225,616,130.56 - Step 6: Final answer
x = 169,199,219.06
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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.