Finding the Fourth Proportional to 269,553,887.34, 371,984,435.55 and 152,104,107.66
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Solution
The fourth proportional to 269,553,887.34, 371,984,435.55 and 152,104,107.66 is: 209,903,708.65
Step by Step Solution
- Step 1: Write the proportion equation
269,553,887.34 : 371,984,435.55 = 152,104,107.66 : x - Step 2: Convert to fraction form
269,553,887.34/371,984,435.55 = 152,104,107.66/x - Step 3: Cross multiply
269,553,887.34x = 371,984,435.55 × 152,104,107.66 - Step 4: Simplify right side
269,553,887.34x = 56,580,360,632,741,528 - Step 5: Solve for x
x = 56,580,360,632,741,528/269,553,887.34 - Step 6: Final answer
x = 209,903,708.65
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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.