Finding the Fourth Proportional to 295,373,875.97, 407,639,184.88 and 168,219,930.74
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Solution
The fourth proportional to 295,373,875.97, 407,639,184.88 and 168,219,930.74 is: 232,156,737.70
Step by Step Solution
- Step 1: Write the proportion equation
295,373,875.97 : 407,639,184.88 = 168,219,930.74 : x - Step 2: Convert to fraction form
295,373,875.97/407,639,184.88 = 168,219,930.74/x - Step 3: Cross multiply
295,373,875.97x = 407,639,184.88 × 168,219,930.74 - Step 4: Simplify right side
295,373,875.97x = 68,573,035,447,423,656 - Step 5: Solve for x
x = 68,573,035,447,423,656/295,373,875.97 - Step 6: Final answer
x = 232,156,737.70
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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.