Finding the Fourth Proportional to 142,663,944.26, 213,928,466.58 and 55,266,395.78
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Solution
The fourth proportional to 142,663,944.26, 213,928,466.58 and 55,266,395.78 is: 82,873,464.38
Step by Step Solution
- Step 1: Write the proportion equation
142,663,944.26 : 213,928,466.58 = 55,266,395.78 : x - Step 2: Convert to fraction form
142,663,944.26/213,928,466.58 = 55,266,395.78/x - Step 3: Cross multiply
142,663,944.26x = 213,928,466.58 × 55,266,395.78 - Step 4: Simplify right side
142,663,944.26x = 11,823,055,303,153,604 - Step 5: Solve for x
x = 11,823,055,303,153,604/142,663,944.26 - Step 6: Final answer
x = 82,873,464.38
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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.