Finding the Fourth Proportional to 134,885,747.14, 186,122,518.85 and 75,339,706.79
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Solution
The fourth proportional to 134,885,747.14, 186,122,518.85 and 75,339,706.79 is: 103,957,729.38
Step by Step Solution
- Step 1: Write the proportion equation
134,885,747.14 : 186,122,518.85 = 75,339,706.79 : x - Step 2: Convert to fraction form
134,885,747.14/186,122,518.85 = 75,339,706.79/x - Step 3: Cross multiply
134,885,747.14x = 186,122,518.85 × 75,339,706.79 - Step 4: Simplify right side
134,885,747.14x = 14,022,415,997,828,904 - Step 5: Solve for x
x = 14,022,415,997,828,904/134,885,747.14 - Step 6: Final answer
x = 103,957,729.38
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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.