Finding the Fourth Proportional to 149,790,372.06, 206,696,209.56 and 94,017,964.62
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Solution
The fourth proportional to 149,790,372.06, 206,696,209.56 and 94,017,964.62 is: 129,735,687.62
Step by Step Solution
- Step 1: Write the proportion equation
149,790,372.06 : 206,696,209.56 = 94,017,964.62 : x - Step 2: Convert to fraction form
149,790,372.06/206,696,209.56 = 94,017,964.62/x - Step 3: Cross multiply
149,790,372.06x = 206,696,209.56 × 94,017,964.62 - Step 4: Simplify right side
149,790,372.06x = 19,433,156,917,500,188 - Step 5: Solve for x
x = 19,433,156,917,500,188/149,790,372.06 - Step 6: Final answer
x = 129,735,687.62
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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.