Finding the Fourth Proportional to 74,724,466.08, 103,117,424.85 and 43,805,228.70
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Solution
The fourth proportional to 74,724,466.08, 103,117,424.85 and 43,805,228.70 is: 60,449,844.82
Step by Step Solution
- Step 1: Write the proportion equation
74,724,466.08 : 103,117,424.85 = 43,805,228.70 : x - Step 2: Convert to fraction form
74,724,466.08/103,117,424.85 = 43,805,228.70/x - Step 3: Cross multiply
74,724,466.08x = 103,117,424.85 × 43,805,228.70 - Step 4: Simplify right side
74,724,466.08x = 4,517,082,378,509,313 - Step 5: Solve for x
x = 4,517,082,378,509,313/74,724,466.08 - Step 6: Final answer
x = 60,449,844.82
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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.