Finding the Fourth Proportional to 269,438,903.12, 371,755,421.26 and 157,869,798.88
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Solution
The fourth proportional to 269,438,903.12, 371,755,421.26 and 157,869,798.88 is: 217,819,152.72
Step by Step Solution
- Step 1: Write the proportion equation
269,438,903.12 : 371,755,421.26 = 157,869,798.88 : x - Step 2: Convert to fraction form
269,438,903.12/371,755,421.26 = 157,869,798.88/x - Step 3: Cross multiply
269,438,903.12x = 371,755,421.26 × 157,869,798.88 - Step 4: Simplify right side
269,438,903.12x = 58,688,953,586,865,872 - Step 5: Solve for x
x = 58,688,953,586,865,872/269,438,903.12 - Step 6: Final answer
x = 217,819,152.72
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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.