Finding the Fourth Proportional to 99,804,921.10, 149,413,448.85 and 74,358,738.70
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Solution
The fourth proportional to 99,804,921.10, 149,413,448.85 and 74,358,738.70 is: 111,319,116.12
Step by Step Solution
- Step 1: Write the proportion equation
99,804,921.10 : 149,413,448.85 = 74,358,738.70 : x - Step 2: Convert to fraction form
99,804,921.10/149,413,448.85 = 74,358,738.70/x - Step 3: Cross multiply
99,804,921.10x = 149,413,448.85 × 74,358,738.70 - Step 4: Simplify right side
99,804,921.10x = 11,110,195,601,302,966 - Step 5: Solve for x
x = 11,110,195,601,302,966/99,804,921.10 - Step 6: Final answer
x = 111,319,116.12
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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.