Finding the Fourth Proportional to 151,214,913.20, 226,673,070.60 and 74,475,124.40
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Solution
The fourth proportional to 151,214,913.20, 226,673,070.60 and 74,475,124.40 is: 111,639,154.99
Step by Step Solution
- Step 1: Write the proportion equation
151,214,913.20 : 226,673,070.60 = 74,475,124.40 : x - Step 2: Convert to fraction form
151,214,913.20/226,673,070.60 = 74,475,124.40/x - Step 3: Cross multiply
151,214,913.20x = 226,673,070.60 × 74,475,124.40 - Step 4: Simplify right side
151,214,913.20x = 16,881,505,131,064,984 - Step 5: Solve for x
x = 16,881,505,131,064,984/151,214,913.20 - Step 6: Final answer
x = 111,639,154.99
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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.