Finding the Fourth Proportional to 99,641,613.70, 149,462,420.55 and 27,838,029.70
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Solution
The fourth proportional to 99,641,613.70, 149,462,420.55 and 27,838,029.70 is: 41,757,044.55
Step by Step Solution
- Step 1: Write the proportion equation
99,641,613.70 : 149,462,420.55 = 27,838,029.70 : x - Step 2: Convert to fraction form
99,641,613.70/149,462,420.55 = 27,838,029.70/x - Step 3: Cross multiply
99,641,613.70x = 149,462,420.55 × 27,838,029.70 - Step 4: Simplify right side
99,641,613.70x = 4,160,739,302,304,790.50 - Step 5: Solve for x
x = 4,160,739,302,304,790.50/99,641,613.70 - Step 6: Final answer
x = 41,757,044.55
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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.