Finding the Fourth Proportional to 145,088,632.55, 200,222,325.46 and 79,009,110.99
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Solution
The fourth proportional to 145,088,632.55, 200,222,325.46 and 79,009,110.99 is: 109,032,579.99
Step by Step Solution
- Step 1: Write the proportion equation
145,088,632.55 : 200,222,325.46 = 79,009,110.99 : x - Step 2: Convert to fraction form
145,088,632.55/200,222,325.46 = 79,009,110.99/x - Step 3: Cross multiply
145,088,632.55x = 200,222,325.46 × 79,009,110.99 - Step 4: Simplify right side
145,088,632.55x = 15,819,387,935,043,804 - Step 5: Solve for x
x = 15,819,387,935,043,804/145,088,632.55 - Step 6: Final answer
x = 109,032,579.99
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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.