Finding the Fourth Proportional to 160,172,865.36, 221,055,028.92 and 97,453,415.97
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Solution
The fourth proportional to 160,172,865.36, 221,055,028.92 and 97,453,415.97 is: 134,495,737.70
Step by Step Solution
- Step 1: Write the proportion equation
160,172,865.36 : 221,055,028.92 = 97,453,415.97 : x - Step 2: Convert to fraction form
160,172,865.36/221,055,028.92 = 97,453,415.97/x - Step 3: Cross multiply
160,172,865.36x = 221,055,028.92 × 97,453,415.97 - Step 4: Simplify right side
160,172,865.36x = 21,542,567,685,601,140 - Step 5: Solve for x
x = 21,542,567,685,601,140/160,172,865.36 - Step 6: Final answer
x = 134,495,737.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.