Finding the Fourth Proportional to 245,970,747.99, 339,439,706.73 and 134,462,076.93
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Solution
The fourth proportional to 245,970,747.99, 339,439,706.73 and 134,462,076.93 is: 185,557,706.89
Step by Step Solution
- Step 1: Write the proportion equation
245,970,747.99 : 339,439,706.73 = 134,462,076.93 : x - Step 2: Convert to fraction form
245,970,747.99/339,439,706.73 = 134,462,076.93/x - Step 3: Cross multiply
245,970,747.99x = 339,439,706.73 × 134,462,076.93 - Step 4: Simplify right side
245,970,747.99x = 45,641,767,959,425,904 - Step 5: Solve for x
x = 45,641,767,959,425,904/245,970,747.99 - Step 6: Final answer
x = 185,557,706.89
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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.