Finding the Fourth Proportional to 99,641,629.70, 149,462,444.55 and 27,838,045.70
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Solution
The fourth proportional to 99,641,629.70, 149,462,444.55 and 27,838,045.70 is: 41,757,068.55
Step by Step Solution
- Step 1: Write the proportion equation
99,641,629.70 : 149,462,444.55 = 27,838,045.70 : x - Step 2: Convert to fraction form
99,641,629.70/149,462,444.55 = 27,838,045.70/x - Step 3: Cross multiply
99,641,629.70x = 149,462,444.55 × 27,838,045.70 - Step 4: Simplify right side
99,641,629.70x = 4,160,742,361,816,616 - Step 5: Solve for x
x = 4,160,742,361,816,616/99,641,629.70 - Step 6: Final answer
x = 41,757,068.55
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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.