Finding the Fourth Proportional to 194,688,021.80, 292,032,032.70 and 162,837,525.80
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Solution
The fourth proportional to 194,688,021.80, 292,032,032.70 and 162,837,525.80 is: 244,256,288.70
Step by Step Solution
- Step 1: Write the proportion equation
194,688,021.80 : 292,032,032.70 = 162,837,525.80 : x - Step 2: Convert to fraction form
194,688,021.80/292,032,032.70 = 162,837,525.80/x - Step 3: Cross multiply
194,688,021.80x = 292,032,032.70 × 162,837,525.80 - Step 4: Simplify right side
194,688,021.80x = 47,553,773,659,212,696 - Step 5: Solve for x
x = 47,553,773,659,212,696/194,688,021.80 - Step 6: Final answer
x = 244,256,288.70
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1.5x scale
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.