Finding the Fourth Proportional to 269,553,886.84, 371,984,434.86 and 152,104,107.16
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Solution
The fourth proportional to 269,553,886.84, 371,984,434.86 and 152,104,107.16 is: 209,903,707.96
Step by Step Solution
- Step 1: Write the proportion equation
269,553,886.84 : 371,984,434.86 = 152,104,107.16 : x - Step 2: Convert to fraction form
269,553,886.84/371,984,434.86 = 152,104,107.16/x - Step 3: Cross multiply
269,553,886.84x = 371,984,434.86 × 152,104,107.16 - Step 4: Simplify right side
269,553,886.84x = 56,580,360,341,797,480 - Step 5: Solve for x
x = 56,580,360,341,797,480/269,553,886.84 - Step 6: Final answer
x = 209,903,707.96
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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.