Finding the Fourth Proportional to 269,553,885.84, 371,984,433.48 and 152,104,106.16
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Solution
The fourth proportional to 269,553,885.84, 371,984,433.48 and 152,104,106.16 is: 209,903,706.58
Step by Step Solution
- Step 1: Write the proportion equation
269,553,885.84 : 371,984,433.48 = 152,104,106.16 : x - Step 2: Convert to fraction form
269,553,885.84/371,984,433.48 = 152,104,106.16/x - Step 3: Cross multiply
269,553,885.84x = 371,984,433.48 × 152,104,106.16 - Step 4: Simplify right side
269,553,885.84x = 56,580,359,759,909,376 - Step 5: Solve for x
x = 56,580,359,759,909,376/269,553,885.84 - Step 6: Final answer
x = 209,903,706.58
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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.