Finding the Fourth Proportional to 99,696,051.40, 149,544,077.10 and 39,113,753.80
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Solution
The fourth proportional to 99,696,051.40, 149,544,077.10 and 39,113,753.80 is: 58,670,630.70
Step by Step Solution
- Step 1: Write the proportion equation
99,696,051.40 : 149,544,077.10 = 39,113,753.80 : x - Step 2: Convert to fraction form
99,696,051.40/149,544,077.10 = 39,113,753.80/x - Step 3: Cross multiply
99,696,051.40x = 149,544,077.10 × 39,113,753.80 - Step 4: Simplify right side
99,696,051.40x = 5,849,230,213,937,617 - Step 5: Solve for x
x = 5,849,230,213,937,617/99,696,051.40 - Step 6: Final answer
x = 58,670,630.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.