Finding the Fourth Proportional to 160,187,162,059.62, 221,058,525,790.08 and 86,943,419,029.98
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Solution
The fourth proportional to 160,187,162,059.62, 221,058,525,790.08 and 86,943,419,029.98 is: 119,982,049,689.87
Step by Step Solution
- Step 1: Write the proportion equation
160,187,162,059.62 : 221,058,525,790.08 = 86,943,419,029.98 : x - Step 2: Convert to fraction form
160,187,162,059.62/221,058,525,790.08 = 86,943,419,029.98/x - Step 3: Cross multiply
160,187,162,059.62x = 221,058,525,790.08 × 86,943,419,029.98 - Step 4: Simplify right side
160,187,162,059.62x = 19,219,584,037,916,562,685,952 - Step 5: Solve for x
x = 19,219,584,037,916,562,685,952/160,187,162,059.62 - Step 6: Final answer
x = 119,982,049,689.87
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1.5x scale
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.