Finding the Fourth Proportional to 116,413,790.70, 174,620,686.05 and 39,739,320.30
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Solution
The fourth proportional to 116,413,790.70, 174,620,686.05 and 39,739,320.30 is: 59,608,980.45
Step by Step Solution
- Step 1: Write the proportion equation
116,413,790.70 : 174,620,686.05 = 39,739,320.30 : x - Step 2: Convert to fraction form
116,413,790.70/174,620,686.05 = 39,739,320.30/x - Step 3: Cross multiply
116,413,790.70x = 174,620,686.05 × 39,739,320.30 - Step 4: Simplify right side
116,413,790.70x = 6,939,307,373,946,692 - Step 5: Solve for x
x = 6,939,307,373,946,692/116,413,790.70 - Step 6: Final answer
x = 59,608,980.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.