Finding the Fourth Proportional to 160,621,911.21, 221,641,551.61 and 94,538,468.41
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Solution
The fourth proportional to 160,621,911.21, 221,641,551.61 and 94,538,468.41 is: 130,453,265.48
Step by Step Solution
- Step 1: Write the proportion equation
160,621,911.21 : 221,641,551.61 = 94,538,468.41 : x - Step 2: Convert to fraction form
160,621,911.21/221,641,551.61 = 94,538,468.41/x - Step 3: Cross multiply
160,621,911.21x = 221,641,551.61 × 94,538,468.41 - Step 4: Simplify right side
160,621,911.21x = 20,953,652,825,225,372 - Step 5: Solve for x
x = 20,953,652,825,225,372/160,621,911.21 - Step 6: Final answer
x = 130,453,265.48
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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.