Finding the Fourth Proportional to 77,358,100.88, 115,997,219.36 and 22,763,591.44
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Solution
The fourth proportional to 77,358,100.88, 115,997,219.36 and 22,763,591.44 is: 34,133,636.68
Step by Step Solution
- Step 1: Write the proportion equation
77,358,100.88 : 115,997,219.36 = 22,763,591.44 : x - Step 2: Convert to fraction form
77,358,100.88/115,997,219.36 = 22,763,591.44/x - Step 3: Cross multiply
77,358,100.88x = 115,997,219.36 × 22,763,591.44 - Step 4: Simplify right side
77,358,100.88x = 2,640,513,309,687,098.50 - Step 5: Solve for x
x = 2,640,513,309,687,098.50/77,358,100.88 - Step 6: Final answer
x = 34,133,636.68
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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.