Finding the Fourth Proportional to 69,705,428.90, 104,558,143.35 and 24,252,116.90
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Solution
The fourth proportional to 69,705,428.90, 104,558,143.35 and 24,252,116.90 is: 36,378,175.35
Step by Step Solution
- Step 1: Write the proportion equation
69,705,428.90 : 104,558,143.35 = 24,252,116.90 : x - Step 2: Convert to fraction form
69,705,428.90/104,558,143.35 = 24,252,116.90/x - Step 3: Cross multiply
69,705,428.90x = 104,558,143.35 × 24,252,116.90 - Step 4: Simplify right side
69,705,428.90x = 2,535,756,315,371,157.50 - Step 5: Solve for x
x = 2,535,756,315,371,157.50/69,705,428.90 - Step 6: Final answer
x = 36,378,175.35
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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.